This is a unique tsuba crafted from high-quality shakudo, attributed to the Akao school. Despite its simple design, the composition is excellent, making it a striking piece when mounted on a koshirae. It comes with an NBTHK Hozon Tosogu certificate.
Certificate reading — 無銘(赤尾)
mumei · c. 1700






Akao School
c. 1700
Unsigned
Hozon (NBTHK)
Iron-tsuba · Echizen
15 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Yasuyuki安之 | — | 0 |
| Kunihiro国広 | — | 0 |
| Yoshihide宜秀 | — | 0 |
| Yasuie安家 | — | 0 |
| Akao Jinsuke赤尾甚助 | — | 0 |
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft 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 siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.
This is a unique tsuba crafted from high-quality shakudo, attributed to the Akao school. Despite its simple design, the composition is excellent, making it a striking piece when mounted on a koshirae. It comes with an NBTHK Hozon Tosogu certificate.
Certificate reading — 無銘(赤尾)
mumei · c. 1700






Akao School
c. 1700
Unsigned
Hozon (NBTHK)
Iron-tsuba · Echizen
15 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Yasuyuki安之 | — | 0 |
| Kunihiro国広 | — | 0 |
| Yoshihide宜秀 | — | 0 |
| Yasuie安家 | — | 0 |
| Akao Jinsuke赤尾甚助 | — | 0 |
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft 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 siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.