This is an NBTHK Hozon-certified katana signed Tsunahiro, attributed to Yamashiro province around the Enpō era (1673–1681). It features a bold gunome-midare hamon and comes in a complete koshirae with a distinctive russet-brown lacquered saya and gilt dragon menuki.
mei · Yamashiro · Edo · nagasa 62.1cm · sori 1.1cm








































Yamashiro · around 1673-1681
2 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/exchanges only for manufactured defects or incorrect products; notify within 72 hours of delivery. Cancellation only within 2 hours of placing. Customer pays return shipping. Refund within 3 business days of package arrival.

This is an NBTHK Hozon-certified katana signed Tsunahiro, attributed to Yamashiro province around the Enpō era (1673–1681). It features a bold gunome-midare hamon and comes in a complete koshirae with a distinctive russet-brown lacquered saya and gilt dragon menuki.
mei · Yamashiro · Edo · nagasa 62.1cm · sori 1.1cm








































Yamashiro · around 1673-1681
2 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/exchanges only for manufactured defects or incorrect products; notify within 72 hours of delivery. Cancellation only within 2 hours of placing. Customer pays return shipping. Refund within 3 business days of package arrival.
