This is a katana by Yokoyama Sukenaga, active in the late Edo period. The blade features a fine ko-itame hada and a hoso-suguha hamon with tight nioiguchi. It comes with a shirasaya and a Hozon Token certificate from the NBTHK.
mei · Tenpo (1830-1844) · nagasa 69.9cm · sori 1.8cm




Bizen-den · Bizen · around 1830-1844
Fujishiro Jo saku · Tōken Taikan top 63%
13 pieces on the market now
Bizen-den · Bizen
38 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sukenobu祐信 | 1830-1844 | 0 |
| Suketaka祐高 | 1865-1868 | 0 |
| Sukeharu祐春 | 1864-1865 | 0 |
| Sukehiro祐廣 | 1854-1860 | 0 |
| Sukekane祐包 | 1868-1912 | 0 |
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 you judge that the condition of the delivered item differs significantly from the photos or description on our site, a return is possible. However, the return shipping cost is the customer's responsibility. To use cooling-off, please apply in writing by postal mail within one week of the item's arrival. The return shipping cost is the customer's responsibility.


This is a katana by Yokoyama Sukenaga, active in the late Edo period. The blade features a fine ko-itame hada and a hoso-suguha hamon with tight nioiguchi. It comes with a shirasaya and a Hozon Token certificate from the NBTHK.
mei · Tenpo (1830-1844) · nagasa 69.9cm · sori 1.8cm




Bizen-den · Bizen · around 1830-1844
Fujishiro Jo saku · Tōken Taikan top 63%
13 pieces on the market now
Bizen-den · Bizen
38 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sukenobu祐信 | 1830-1844 | 0 |
| Suketaka祐高 | 1865-1868 | 0 |
| Sukeharu祐春 | 1864-1865 | 0 |
| Sukehiro祐廣 | 1854-1860 | 0 |
| Sukekane祐包 | 1868-1912 | 0 |
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 you judge that the condition of the delivered item differs significantly from the photos or description on our site, a return is possible. However, the return shipping cost is the customer's responsibility. To use cooling-off, please apply in writing by postal mail within one week of the item's arrival. The return shipping cost is the customer's responsibility.

