The twentieth century nearly killed the craft twice: wartime distortion, then the occupation ban. The NBTHK’s founding in 1948 and licensed forging from 1953 rebuilt the sword as an art, crowned by Living National Treasures and the mukansa rank.
This is a tachi made by Kazuhira (Okubo Towazu), a student of Miyairi Yukihira, in the Showa period. Kazuhira was born in Showa 18 and became a student of Miyairi Shohei (Yukihira) at the age of 18. He received the Kunzan Prize at the New Swords Exhibition in 1991 and became Mukansa in 2000.
mei · Miyairi Yukihira · Showa (1926-1989) · nagasa 77.7cm · sori 2.8cm






Sagami · around 1926-1989
4 pieces on the market now
The twentieth century nearly killed the craft twice: wartime distortion, then the occupation ban. The NBTHK’s founding in 1948 and licensed forging from 1953 rebuilt the sword as an art, crowned by Living National Treasures and the mukansa rank.
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 possible within 3 days of arrival. Customer pays return shipping and bank transfer fees. Excluded: condition differs from sale, 3+ days passed, overseas delivery, in-store purchases, and deposit transactions.
This is a tachi made by Kazuhira (Okubo Towazu), a student of Miyairi Yukihira, in the Showa period. Kazuhira was born in Showa 18 and became a student of Miyairi Shohei (Yukihira) at the age of 18. He received the Kunzan Prize at the New Swords Exhibition in 1991 and became Mukansa in 2000.
mei · Miyairi Yukihira · Showa (1926-1989) · nagasa 77.7cm · sori 2.8cm






Sagami · around 1926-1989
4 pieces on the market now
The twentieth century nearly killed the craft twice: wartime distortion, then the occupation ban. The NBTHK’s founding in 1948 and licensed forging from 1953 rebuilt the sword as an art, crowned by Living National Treasures and the mukansa rank.
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 possible within 3 days of arrival. Customer pays return shipping and bank transfer fees. Excluded: condition differs from sale, 3+ days passed, overseas delivery, in-store purchases, and deposit transactions.