This is a tanto attributed to the Tsoshinaga school, dating to the late Muromachi period. The blade features a bright hamon with a pattern resembling "Sanbonsugi". It comes with a Hozon certificate, a copper habaki, and a shirasaya.
Certificate reading — 無銘(寿命)
mumei · Muromachi · nagasa 18.6cm · sori 0.05cm











Mino-den · Mino · around 1532-1555
2 pieces on the market now
Mino-den · Mino
15 pieces on the market now
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 siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.
This is a tanto attributed to the Tsoshinaga school, dating to the late Muromachi period. The blade features a bright hamon with a pattern resembling "Sanbonsugi". It comes with a Hozon certificate, a copper habaki, and a shirasaya.
Certificate reading — 無銘(寿命)
mumei · Muromachi · nagasa 18.6cm · sori 0.05cm











Mino-den · Mino · around 1532-1555
2 pieces on the market now
Mino-den · Mino
15 pieces on the market now
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 siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.