This antique Daisho set includes a Katana attributed to the Ko-Mihara school from the late Kamakura-Nanbokucho period and a Wakizashi signed by Ishidou Hata Toren of the Edo Ishido school from the early Edo period. The Katana is certified as Tokubetsu Hozon, and the Wakizashi as Hozon by the NBTHK. Both blades come with Koshirae mountings and Shirasaya cases, representing a significant piece of samurai history.
mumei / mei · Mihara / Ishido · Kamakura / Edo · nagasa 69.6cm · sori 2.12cm








































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/exchanges limited to defects caused by shipping (except willful misconduct or gross negligence by the company); customers must contact within 72 hours of receiving the product.
This antique Daisho set includes a Katana attributed to the Ko-Mihara school from the late Kamakura-Nanbokucho period and a Wakizashi signed by Ishidou Hata Toren of the Edo Ishido school from the early Edo period. The Katana is certified as Tokubetsu Hozon, and the Wakizashi as Hozon by the NBTHK. Both blades come with Koshirae mountings and Shirasaya cases, representing a significant piece of samurai history.
mumei / mei · Mihara / Ishido · Kamakura / Edo · nagasa 69.6cm · sori 2.12cm








































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/exchanges limited to defects caused by shipping (except willful misconduct or gross negligence by the company); customers must contact within 72 hours of receiving the product.