NihontoWatchNihontoWatchYoroimusya-zu Fuchigashira Shakudo nanako-ji takabori zogan iroe In paulownia wood box
NihontoWatchOffered by World Seiyudo
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Edo
Hozon (NBTHK)
Machine translation from the shop's Japanese · may contain errors ·
Iron-tsuba · Echizen
1 piece on the market now
Iron-tsuba · Echizen
18 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 siteNo cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).