This is a mumei tanto attributed to Shinshinto Jumyo, authenticated by the NBTHK as Hozon Token. It features a wide blade with grooves and an elongated kissaki, displaying a well-forged ko-itame hada and a nie-deki gunome-midare hamon. Jumyo swords are traditionally associated with longevity and were often given as auspicious gifts.
mumei · Tenna (1681-1684) · nagasa 29.2cm · sori 0.2cm




Mino-den · Owari · around 1681-1684
Tōken Taikan top 91%
1 piece 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 siteIf you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.
This is a mumei tanto attributed to Shinshinto Jumyo, authenticated by the NBTHK as Hozon Token. It features a wide blade with grooves and an elongated kissaki, displaying a well-forged ko-itame hada and a nie-deki gunome-midare hamon. Jumyo swords are traditionally associated with longevity and were often given as auspicious gifts.
mumei · Tenna (1681-1684) · nagasa 29.2cm · sori 0.2cm




Mino-den · Owari · around 1681-1684
Tōken Taikan top 91%
1 piece 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 siteIf you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.