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 wakizashi by Yoshisada from Kochi prefecture, made in 1973. The smith's real name is Yamamura Shigematsu, and he was a member of the National Crafts Institute and a disciple of Kawashima Tadayoshi (1st generation). He is known for his skillful sword carvings and works in the style of Tosa Ichimonji.
Certificate reading — 銘 瑞雲子善貞彫同 昭和志拾八年錦秋
mei · Showa (1926-1989) · nagasa 30.8cm · sori 0.2cm




Kochi · around 1926-1989
3 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.
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
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 wakizashi by Yoshisada from Kochi prefecture, made in 1973. The smith's real name is Yamamura Shigematsu, and he was a member of the National Crafts Institute and a disciple of Kawashima Tadayoshi (1st generation). He is known for his skillful sword carvings and works in the style of Tosa Ichimonji.
Certificate reading — 銘 瑞雲子善貞彫同 昭和志拾八年錦秋
mei · Showa (1926-1989) · nagasa 30.8cm · sori 0.2cm




Kochi · around 1926-1989
3 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.
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
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.