This is a kozuka featuring a kakko drum design, unsigned but attributed to the Hirata school, specifically Hirata Donin. It is crafted from shakudo with intricate shippo (cloisonné) inlay, a technique Donin excelled at, developing high-transparency glass and combining it with gold borders and diverse colors. The piece measures 9.7 cm in length and 1.42 cm in width, and comes with a high-quality paulownia box. It is certified as Tokubetsu Hozon by the NBTHK.
mumei · Hirata · Edo







Hirata School
Edo
Musashi
Unsigned
Tokuho (NBTHK)
Higo · Higo
11 pieces on the market now
The Hirata school encompasses two distinct but related lineages of Japanese metalworkers bearing the Hirata name, each distinguished by its founder's artistic inheritance and medium. The first is the Hirata school of Higo Province, founded by Hirata Hikozo, a craftsman of Shoami lineage who served the celebrated warrior and tea master Hosokawa Sansai. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Hikozo彦三 | — | 49 |
| Shozaburo小三郎 | — | 0 |
| Hikozo彦三 | — | 0 |
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf, due to our fault, the item differs significantly from its proper condition, the item may be returned. Cooling-off is within one week of the item's arrival.
This is a kozuka featuring a kakko drum design, unsigned but attributed to the Hirata school, specifically Hirata Donin. It is crafted from shakudo with intricate shippo (cloisonné) inlay, a technique Donin excelled at, developing high-transparency glass and combining it with gold borders and diverse colors. The piece measures 9.7 cm in length and 1.42 cm in width, and comes with a high-quality paulownia box. It is certified as Tokubetsu Hozon by the NBTHK.
mumei · Hirata · Edo







Hirata School
Edo
Musashi
Unsigned
Tokuho (NBTHK)
Higo · Higo
11 pieces on the market now
The Hirata school encompasses two distinct but related lineages of Japanese metalworkers bearing the Hirata name, each distinguished by its founder's artistic inheritance and medium. The first is the Hirata school of Higo Province, founded by Hirata Hikozo, a craftsman of Shoami lineage who served the celebrated warrior and tea master Hosokawa Sansai. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Hikozo彦三 | — | 49 |
| Shozaburo小三郎 | — | 0 |
| Hikozo彦三 | — | 0 |
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf, due to our fault, the item differs significantly from its proper condition, the item may be returned. Cooling-off is within one week of the item's arrival.