Antique Netsuke Identification Guide: Carvers, Schools & Values

1. What Is a Netsuke?

A netsuke (pronounced approximately "net-skeh") is a small carved toggle, traditionally between one and three inches in size, used to suspend personal containers from the obi sash of a Japanese kimono. Because the kimono had no pockets, men carried tobacco pouches, medicine boxes (inro), seal cases, and money purses (collectively called sagemono, "hanging things") on a silk cord that passed behind the obi and was held in place by the netsuke at the top. The netsuke prevented the cord from slipping, while a sliding bead called the ojime tightened the cord above the suspended container.

The functional requirement that a netsuke must hang flat against the body, slip easily into and out of the obi, and resist snagging on clothing imposed a specific design discipline on its makers. A successful netsuke is compact, smoothly contoured with no projecting parts that can catch fabric, balanced in the hand, and pierced with two carefully positioned cord holes (himotoshi). Within these constraints, Japanese carvers produced an extraordinary range of subjects, from realistic animals and figures to fantastic creatures, mythological scenes, and witty everyday vignettes.

Why Collectors Prize Netsuke

Netsuke combine several qualities that make them highly collectible. They are portable and easy to display in modest spaces. Their small scale rewards close inspection and reveals the carver's technical skill. They are deeply rooted in Japanese material culture, embodying centuries of craftsmanship and folklore. And, unlike many categories of antique sculpture, they were produced in sufficient numbers that genuine antique examples remain available, while the work of named masters provides a clear hierarchy of attribution and value.

2. History and the Sagemono Tradition

Origins in the Late Sixteenth Century

The earliest netsuke appear in the late sixteenth and early seventeenth centuries, coinciding with the rise of tobacco use in Japan and the spread of the inro as a fashionable accessory among the samurai class. Early toggles were often simple gourds, shells, root sections, or unworked pieces of wood. Within a few decades, dedicated carvers began producing purpose-made netsuke in figural and animal forms.

The Edo Period (1603-1868)

The Edo period represents the great age of netsuke carving. Under the Tokugawa shogunate, Japan's prolonged peace and the growing wealth of the merchant class created a sophisticated urban culture in which luxury accessories became important markers of taste. Netsuke evolved from anonymous craft objects into recognized works of art, with leading carvers signing their pieces and developing distinctive personal styles. By the early eighteenth century, regional schools had emerged in Kyoto, Osaka, Edo (Tokyo), Nagoya, and several smaller centers.

Sumptuary laws restricting visible displays of wealth among merchants paradoxically encouraged the development of netsuke as miniature art. A merchant forbidden to wear gold could nonetheless suspend an exquisitely carved ivory figure from his obi, and he could replace it daily according to season, occasion, or mood. This created sustained demand for high-quality work and supported a deep ecosystem of carvers, dealers, and collectors.

The Meiji Period (1868-1912)

The Meiji Restoration of 1868 transformed Japanese society and the netsuke trade. Western dress replaced traditional kimonos for many activities, eliminating the practical demand for sagemono. At the same time, Japan opened to international commerce, and Western collectors began acquiring netsuke in large numbers. Carvers responded by producing pieces explicitly for export, often larger and more elaborately detailed than traditional examples, and emphasizing virtuoso technique over functional discipline, much as the contemporary Kyoto workshops did with Satsuma pottery. Meiji-period netsuke include both genuine masterworks and a flood of commercial pieces of varying quality.

Twentieth Century to Today

By the early twentieth century, netsuke had ceased to be a living tradition in everyday Japanese life and had become firmly established as an international collectible. Major collections were formed in Britain, France, Germany, and the United States, and scholarly literature began to develop. Contemporary netsuke carving continues today as a fine art practice, with modern masters in Japan and abroad producing pieces that command prices comparable to historical work.

3. Types and Forms of Netsuke

Katabori (Figural Netsuke)

Katabori, meaning "shape carving," is the most familiar form. These are fully three-dimensional figural sculptures depicting people, animals, deities, mythological creatures, and everyday scenes. Katabori range from compact, rounded forms suited for daily wear to elaborate, almost openwork compositions made for collectors. The great majority of named masters worked primarily in katabori.

Manju and Kagamibuta

Manju netsuke are flat, rounded discs named after the steamed bun they resemble. They are usually carved with low-relief decoration on one or both faces and were often made in ivory, lacquered wood, or stained boxwood. Kagamibuta ("mirror-lid") netsuke are a related form consisting of a shallow ivory or wood bowl fitted with a decorated metal disc. The metal lid, often inlaid with multiple alloys in the manner of sword fittings, allowed metalworkers and carvers to collaborate on a single object.

Sashi Netsuke

Sashi netsuke are long, narrow forms designed to be worn vertically, slipped down behind the obi rather than resting on top of it. They are among the earliest types and tend to be relatively simple in decoration. Genuine sashi netsuke are increasingly rare on the market and are particularly prized by collectors of early examples.

Ryusa and Anabori

Ryusa netsuke are openwork pieces, often spherical or disc-shaped, named after the carver Ryusa who specialized in the form in the late eighteenth century. They feature pierced lattice decoration carved with extraordinary precision. Anabori, or "hollow carving," takes the openwork idea further, producing miniature scenes hollowed out within a small carved shell, sometimes containing additional movable elements.

Mask Netsuke

Mask netsuke (men netsuke) are miniature versions of the masks used in Noh, Kyogen, and Gigaku theater. They are typically fitted with a recessed back and a single himotoshi at the top, and they preserve specific theatrical types with great fidelity. Mask netsuke offer a rich subcategory for specialist collectors interested in Japanese performing arts.

Trick and Mechanical Netsuke

Trick netsuke (karakuri) include moving eyes, hidden compartments, articulated jaws, and mechanical surprises. These pieces showcase the carver's ingenuity and were prized as conversation objects. Carvers such as Tomotada and his successors are particularly associated with such inventive forms.

4. Materials and How to Identify Them

Ivory

Elephant ivory was the dominant material for fine netsuke from the eighteenth century onward, valued for its smooth working properties, fine grain, and ability to take crisp detail. Genuine elephant ivory shows a characteristic Schreger pattern of intersecting curved lines visible in cross-section under magnification, with intersection angles greater than 115 degrees in modern elephant species. The surface develops a warm, mellow patina over time, with cooler creamy yellows in protected areas and deeper honey or amber tones where handled. Marine ivory from walrus and sperm whale was also used, particularly for larger pieces; it shows different grain structure and often a distinctive secondary dentine layer.

Wood

Boxwood (tsuge) is the classic wood for netsuke, prized for its dense, even grain, pale yellow color, and ability to take fine detail. Cherry, ebony, persimmon, sandalwood, hinoki cypress, and yew were also used. Wood netsuke typically darken with age and handling, developing a glossy patina that can range from honey brown to almost black. The presence of fine end-grain, subtle wood figure, and gradual color variation across the piece are good indicators of genuine wood; uniform color and a slightly plasticky feel can indicate composition material or stained substitutes.

Lacquer

Lacquer netsuke were produced primarily in Kyoto by lacquer specialists rather than carvers. They typically feature gold and silver decoration over a black or red ground, often using techniques borrowed from inro production, including maki-e (sprinkled metal) and togidashi (polished decoration). High-quality lacquer netsuke from named makers such as Shibata Zeshin command very high prices.

Horn, Bone, and Tooth

Stag antler, water buffalo horn, and various bones were used for less expensive netsuke. Stag antler in particular has a distinctive porous core surrounded by denser cortical material, often used to advantage in compositions where the porous area becomes part of the design. Boar tusk and hippopotamus tooth appear occasionally in nineteenth-century work.

Other Materials

Less common but documented materials include amber, coral, jade, agate, ceramic, metal, and various organic materials such as nuts, seeds, and lacquered cloth. Porcelain netsuke from kilns such as Hirado are a specialist category. For broader context on related Asian carved miniatures, our guide to antique snuff bottles covers parallel traditions in Chinese miniature art.

5. Regional Carving Schools

Kyoto School

Kyoto, the imperial capital, was an early center of refined netsuke production. Kyoto carvers tended toward elegant, restrained subjects and favored animals and figures in compact, harmoniously balanced compositions. The Tomotada and Masanao lineages dominated Kyoto netsuke from the mid-eighteenth century onward, producing some of the most celebrated work in the tradition.

Osaka School

Osaka netsuke share the technical refinement of Kyoto work but often display a slightly more dynamic, theatrical sensibility befitting the merchant culture of the city. The Mitsuhiro lineage produced exquisitely finished pieces in both ivory and wood, with subjects ranging from animals to literary and theatrical themes.

Edo (Tokyo) School

Edo carvers developed a distinctive style that emphasized humor, narrative, and observation of urban life. Genre scenes, courtesans, theatrical figures, and witty animal subjects predominate. Important Edo names include Shuzan, Miwa, and the prolific Hojitsu lineage.

Nagoya, Iwami, and Smaller Centers

Nagoya produced a robust school of carvers including the Tametaka and Tadatoshi lineages. The Iwami school in western Japan specialized in distinctive wood netsuke depicting reptiles, insects, and small animals from local fields, often with inlaid eyes and great naturalistic precision. Carvers such as Seiyodo Tomiharu and his successors defined the Iwami style.

Tsu, Hida, and Provincial Work

Numerous smaller centers and individual provincial carvers added regional character to the netsuke tradition. Tsu carvers worked in dense local woods, while Hida produced rustic boxwood pieces with strong folk-art character. Identifying provincial work often requires reference to specialist literature and comparison with documented examples.

6. Important Carvers and Their Signatures

Yoshimura Shuzan (active c. 1700-1773)

One of the earliest documented great masters, Shuzan worked in Osaka and is best known for unsigned painted wood netsuke depicting Chinese figures, sennin (immortals), and mythological subjects. His style is bold, expressive, and often sculpturally adventurous. Genuine Shuzan pieces are exceptionally rare; most works attributed to him on the market are later imitations.

Tomotada (active c. 1750-1790)

The Kyoto carver Izumiya Tomotada is perhaps the most celebrated name in netsuke. He specialized in ivory animals, particularly oxen, horses, and mythical kirin. Genuine Tomotada oxen show a serene, monumental quality with subtly rendered musculature, careful undercutting beneath the legs and tail, and a characteristic placid expression. The signature is incised in a rectangular reserve. So many copies and forgeries of Tomotada were produced in the nineteenth century that authentic pieces require careful study and ideally provenance documentation.

Masanao Lineage

The Masanao name passed through several generations of carvers in both Kyoto and Yamada (Ise). Masanao of Kyoto specialized in ivory animals; the Yamada Masanao lineage was particularly known for boxwood animal carvings, especially monkeys, hares, and rats, with eyes inlaid in dark horn or amber.

Ohara Mitsuhiro (1810-1875)

Working in Osaka, Mitsuhiro produced highly refined ivory and wood netsuke of compact form and meticulous finish. His subjects range from clams and gourds to figures and animals. He is associated with introducing color staining techniques that gave his ivory work distinctive warm tones.

Kaigyokusai Masatsugu (1813-1892)

Kaigyokusai is widely regarded as the supreme technical virtuoso of late Edo and early Meiji ivory carving. His pieces, almost invariably in the highest grade of marine or elephant ivory, display extraordinary detail and a glasslike polish. Subjects include animals, figures, and complex multi-figure compositions. Kaigyokusai netsuke routinely command six-figure prices.

Other Notable Names

Other major names every collector should recognize include Hojitsu, Sukenaga, Toyomasa, Tametaka, Garaku, Ryusa, Chounsai, Naito Toyomasa, Seiyodo Tomiharu, Hogen Rantei, and twentieth-century masters such as Sosui, Bishu, and Masatoshi. Each has a distinctive style and signature, and reference works such as Davey, Bushell, and the Lazarnick dictionaries are essential for serious attribution work.

7. Subjects, Symbolism, and Iconography

Animals of the Zodiac

The twelve animals of the East Asian zodiac — rat, ox, tiger, hare, dragon, snake, horse, goat, monkey, rooster, dog, and boar — are among the most common netsuke subjects. Owners often selected pieces matching their birth year, and complete sets were sometimes commissioned. Tomotada's oxen, Masanao's hares, and Toyomasa's tigers are particularly celebrated.

Mythological and Religious Figures

The Seven Lucky Gods (Shichifukujin), Daoist immortals (sennin), Buddhist deities, oni (demons), tengu, kappa, baku, and other supernatural beings populate the netsuke world. Each carries specific iconographic attributes that allow positive identification: Daikoku stands on rice bales with a mallet, Hotei carries his great cloth bag, the kappa has a depression on its head holding water, and so on.

Genre and Theatrical Subjects

Everyday Japanese life provided endless inspiration: street vendors, sumo wrestlers, blind masseurs, courtesans, drunken samurai, mushroom gatherers, and tea-house scenes. Theatrical subjects from Noh, Kabuki, and Kyogen are also frequent, often immediately recognizable from costume and pose to anyone familiar with the repertoire.

Plants, Foods, and Objects

Gourds, mushrooms, persimmons, lotus pods, and other plant forms appear in compact, naturalistic carvings. Inanimate objects are also represented: tools, lanterns, masks, and ritual implements. These pieces often carry symbolic meanings tied to longevity, prosperity, or seasonal associations.

Western Influence

From the late Edo period onward, some netsuke depict Westerners (nanban or "southern barbarian" subjects), often with humorous exaggeration. Meiji-period export pieces sometimes reverse this dynamic, depicting subjects calculated to appeal to Western buyers' expectations of "Japanese" subject matter.

8. Dating Netsuke by Style and Construction

Early Netsuke (Late 17th to Mid-18th Century)

The earliest netsuke tend to be larger than later examples, with simpler forms and bolder, less refined detail. Surfaces often show heavy wear from sustained daily use, and signatures, when present, are usually unsigned or marked only with simple kao (stylized monograms). Materials include local woods, stained ivory, and natural objects.

Classic Edo Period (Mid-18th to Mid-19th Century)

The classical period of netsuke production is marked by refined, compact forms; subtle, carefully balanced compositions; smooth functional contours; restrained but technically excellent detail; and signatures by named masters. Cord holes are typically positioned to permit graceful hanging without compromising the design. The patina is mellow and consistent with long use.

Late Edo and Meiji (Mid-19th to Early 20th Century)

Late nineteenth-century pieces often display more elaborate detail, occasional inlays in different materials, and sometimes a slightly larger size as the functional discipline relaxed. Meiji export work may show technical brilliance combined with subjects calculated to appeal to Western taste, including occasional sentimentality or theatrical exaggeration.

Twentieth Century

Modern netsuke continue to be produced as art objects rather than functional toggles. They are often signed by their makers, made in fine materials such as mammoth ivory or premium boxwood, and may be accompanied by certificates of authenticity. Quality varies widely from masterworks to tourist pieces.

9. Reading and Interpreting Signatures

Forms of Signature

Most signed netsuke bear two characters representing the carver's art name (go), often inscribed within an incised rectangular cartouche. Some pieces add the carver's school or place of work, the studio name, or the suffix "to" or "saku" meaning "carved by." Lacquer netsuke may bear painted signatures rather than carved ones. A kao or stylized seal sometimes accompanies or replaces the signature.

Locating Signatures

Signatures are typically placed in inconspicuous locations: the underside, the back of a figure, a small flat area near the himotoshi, or the base of a mask. Some carvers signed unobtrusively to preserve the visual integrity of the piece, while others used the signature as a deliberate compositional element.

Authenticity of Signatures

A signature alone is not proof of authenticity. The most famous masters were extensively imitated, both in their lifetimes (within studios and lineages) and afterwards by commercial workshops. Signatures must be evaluated alongside style, technique, material, patina, and provenance. Comparison with documented authentic examples in standard reference works is the best starting point for any attribution.

Unsigned Netsuke

Many genuine antique netsuke are unsigned, including most early pieces and a substantial portion of provincial work. Unsigned status does not diminish value if the piece is of high quality and clear age; conversely, a confidently inscribed signature on a piece of mediocre quality is more often a warning sign than an indication of importance.

10. The Himotoshi: Cord Holes as Diagnostic Clues

The two cord holes (himotoshi) by which the netsuke was attached to the sagemono cord are among the most useful features for assessing authenticity and age. Genuine working netsuke show himotoshi worn smooth by years of cord friction, often slightly elongated or polished around the rim. The two holes are typically of different sizes — a larger entry hole and a smaller exit hole — to accommodate the knotted cord.

The position of the himotoshi reflects how the piece was meant to hang. A skilled carver placed the holes so that the netsuke would suspend gracefully and present its best face outward. Awkwardly positioned or arbitrarily drilled himotoshi often indicate either a piece never intended for actual wear, or a later modification to an object originally made for another purpose.

Newly drilled or unworn himotoshi on an apparently old piece are a significant warning sign. So are himotoshi cleanly drilled with modern tools, leaving sharp, mechanical edges, on a piece allegedly from the eighteenth century. Some forgeries simulate wear by rubbing the holes with cord, but the result is usually inconsistent with the rest of the patina.

11. Patina, Wear, and the Look of Age

Ivory Patina

Genuine antique ivory develops a patina of warm, mellow color through gradual oxidation and contact with skin oils. Recessed and protected areas remain creamier and lighter, while exposed and frequently handled surfaces deepen toward honey, amber, or even reddish brown. The transition between protected and exposed areas is gradual and follows the natural geometry of the carving. Uniform overall coloration, especially a flat brownish stain, is suspicious; it usually indicates artificial aging by tea, tobacco juice, or chemical treatment.

Wood Patina

Boxwood and other woods darken slowly with handling, developing a soft sheen and gradually deepening color. The patina settles unevenly into the carved details, accentuating crevices while leaving high points slightly lighter. A waxed or varnished finish covering uniform stain can mimic age but rarely reproduces this subtle differential.

Wear Patterns

Authentic wear follows the way the object was actually used: high points smoothed by handling, edges gently softened, projecting features sometimes partially worn away. The wear is consistent across the entire piece and proportionate to the implied age. Selectively distressed surfaces, sharp details next to suspiciously worn ones, or wear patterns inconsistent with how a netsuke is actually held are all warning signs.

12. Reproductions, Fakes, and Export Pieces

Nineteenth-Century Copies

Even within the Edo and Meiji periods, popular masters were extensively copied. Some copies were made within the master's own school as student exercises or workshop production; others were straightforward commercial imitations. Distinguishing late Edo school work from a master's autograph piece requires careful study and is one of the most challenging areas of netsuke connoisseurship.

Early Twentieth-Century Export Pieces

The peak demand of Western collecting in the late Meiji and Taisho periods produced enormous quantities of commercial netsuke aimed at tourists and exporters. These pieces often display competent technique but generic subjects, deeper undercutting than functional netsuke required, larger size, and signatures of varying authenticity. They are genuine antiques in their own right and have a real collector market, but they should not be confused with classical Edo-period work.

Modern Reproductions

Contemporary reproductions range from hand-carved pieces produced for the souvenir trade to molded composite material and resin castings. Mold lines, soft detail, slightly grainy or plasticky surfaces, uniform coloration, and an absence of meaningful patina are typical signs. UV light can sometimes reveal modern adhesives or fillers, and weight can be a clue: composite netsuke often feel slightly too light or too uniformly dense compared to genuine ivory or wood.

Forged Signatures

Master signatures are routinely added to pieces that have nothing else to do with the named carver. A signature should always be considered alongside the rest of the evidence; a signature that does not match the style of the carving is far more likely to be spurious than to indicate an unknown phase of a famous artist's work. Just as Western collectors of antique ivory carvings learn to read original tool marks and patina, netsuke collectors must develop an eye for the subtle signs of authenticity.

13. Ivory, CITES, and Legal Considerations

International and national regulations on ivory trade have a major impact on the netsuke market. The Convention on International Trade in Endangered Species (CITES) restricts cross-border movement of ivory from elephants and certain other species. Many countries, including the United States and the United Kingdom, have additional domestic restrictions on the sale of post-1947 or post-1975 ivory, with specific exemptions for documented antique items.

Collectors should familiarize themselves with the specific laws of their jurisdiction before buying or selling ivory netsuke. Reputable dealers and auction houses generally provide CITES documentation or attestations of antique status with sales of qualifying pieces. Lacking such documentation, even a clearly antique netsuke may face restrictions on resale, transport, or international shipment. Mammoth ivory, a non-CITES material, is sometimes used for new carvings explicitly to sidestep these regulations.

For long-established collections assembled before current regulations, retain any original purchase receipts, exhibition catalogues, photographs, or correspondence that can help establish provenance and date of acquisition. This documentation is increasingly important for both legal compliance and resale value.

14. Condition Assessment

Structural Integrity

Examine the netsuke under good light and ideally with magnification. Look for hairline cracks, particularly along the grain in ivory and wood pieces, and check that all projecting elements are intact. Common areas of damage include ears, tails, fingers, sword hilts, and any narrow projecting features. Old, stable cracks are common in antique ivory and do not necessarily diminish value greatly; active or progressive cracks are more concerning.

Repairs and Restorations

Many antique netsuke have been repaired at some point. Replacement of broken elements with matching material can be skillful and largely invisible without close inspection or UV light. Disclosure of any restorations is expected from reputable dealers. The acceptability of repairs depends on the importance of the piece, the quality of the work, and the area affected.

Surface Condition

The original patina is one of a netsuke's most valuable attributes. Aggressive cleaning, polishing, or refinishing can permanently diminish a piece's value. A surface that has been over-cleaned often appears unnaturally bright or even slightly chalky in tone. Conversely, dirt, grime, and accumulated wax can be carefully addressed by experienced conservators without disturbing the underlying patina.

Completeness

Inlay elements such as eyes, teeth, or decorative accents should be present and original. Lost inlays leave characteristic dark sockets that can sometimes be sympathetically restored. The original ojime and inro that completed the sagemono ensemble are almost never preserved with their netsuke, but their presence in any combination greatly enhances the value of all components.

15. Values and the Current Market

Price Ranges

Netsuke values span an enormous range, reflecting variations in age, maker, material, subject, condition, and provenance. As a general guide:

• Late Meiji and early twentieth-century export pieces (unsigned or with school-name signatures): $100-$500 for typical examples.
• Good-quality nineteenth-century unsigned ivory and wood netsuke: $400-$2,000.
• Signed nineteenth-century netsuke by recognized but secondary masters: $1,500-$10,000.
• Eighteenth-century classical work and signed pieces by major Edo-period masters: $5,000-$50,000 and frequently higher.
• Documented masterworks by Tomotada, Masanao, Mitsuhiro, Kaigyokusai, and other top names: $20,000-$500,000 or more for exceptional examples with provenance.
• Modern signed studio pieces by recognized contemporary masters: $2,000-$50,000 depending on the carver and the work.

Auction Market

Specialist netsuke sales at major international auction houses set the benchmark for top-end pieces. The market for the very best work has been strong for decades and continues to be driven by deep pockets in Japan, the United States, the United Kingdom, and increasingly mainland China. The middle market for honest secondary pieces is steadier but more discriminating: condition, attribution, and freshness to the market all matter.

Factors That Drive Value

The most important value drivers are, roughly: attribution to a documented master, demonstrable age and authenticity, quality of carving, beauty of the piece, condition, material (top-grade ivory and exceptional wood command premiums), provenance from a respected collection, and rarity of the subject. Pieces that have been published in scholarly literature or exhibited in museum shows carry an additional documentary premium.

Building a Collection

New collectors are well advised to start with honest secondary pieces from a reputable dealer rather than chasing famous names. Buy pieces you genuinely respond to, study standard reference works, attend specialist auctions and dealer fairs, and consider joining the International Netsuke Society or a national counterpart for access to scholarship and community. Patience and study are far more important than capital in building a meaningful netsuke collection. For collectors interested in the broader Japanese decorative arts context, our guide to antique cloisonne enamelware covers another major export category from the same period.

16. Care and Preservation

Display and Storage

Display netsuke in stable conditions away from direct sunlight, which can bleach ivory and fade lacquer decoration. Maintain moderate humidity (45-55 percent) and avoid rapid environmental changes. Wood and ivory both respond to humidity shifts and can crack under sudden swings. Open cabinets allow airflow but expose pieces to dust; sealed display cases protect from handling and contaminants but should include a passive humidity buffer.

Handling

Always handle netsuke with clean, dry hands or with cotton gloves for ivory and lacquer. Hold the piece securely in the palm rather than by projecting features. Provide a soft surface beneath the piece during examination so that an accidental drop is less likely to cause damage.

Cleaning

Routine cleaning should be limited to gentle dusting with a soft brush. Do not attempt to remove patina with solvents, abrasives, or polishes; these treatments can permanently destroy the surface character that gives an antique netsuke its value. Significant cleaning, repair, or stabilization should be entrusted to a qualified conservator with experience in Japanese decorative arts.

Documentation

Maintain photographs, dimensions, weights, and provenance notes for every piece in a collection. Record any conservation work, including the conservator's name, date, and treatment performed. This documentation supports insurance claims, future sale, and scholarly reference, and is increasingly important for legal compliance with ivory regulations.