This Tachi was made by Yusui Shin Sadayoshi in 1979, a renowned smith and disciple of Gassan Sadakatsu. It features a wide mihaba, deep curvature, and an extended kissaki, with a well-forged ko-itame hada and gunome-midare hamon. The blade is housed in a shirasaya and comes with NBTHK Tokubetsu Hozon certification.
Certificate reading — 銘 昭和己未年仲秋湧水心貞吉作之 為松浦真太郎氏心技限鍛
mei · Gendaito · nagasa 76cm · sori 2.4cm





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 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 Tachi was made by Yusui Shin Sadayoshi in 1979, a renowned smith and disciple of Gassan Sadakatsu. It features a wide mihaba, deep curvature, and an extended kissaki, with a well-forged ko-itame hada and gunome-midare hamon. The blade is housed in a shirasaya and comes with NBTHK Tokubetsu Hozon certification.
Certificate reading — 銘 昭和己未年仲秋湧水心貞吉作之 為松浦真太郎氏心技限鍛
mei · Gendaito · nagasa 76cm · sori 2.4cm





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 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.