This is a Ko-Tosho tsuba featuring a Yukiwa Jougi (snowflake ruler) sukashi (openwork) design. It is made of iron with a tsuchimeji (hammered) surface and kagesukashi (silhouette openwork). The tsuba measures 9.12cm in length, 9.67cm in width, and 0.34cm in seppadai thickness, weighing 154.5g. It comes with an NBTHK Tokubetsu Hozon Tosogu certificate.
Certificate reading — 無銘(古刀匠)
Ko-Tosho · Koto





















Ko-tosho School
Kotō
Tokuho (NBTHK)
Tosho-Katchushi
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
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/cancellations not accepted after shipment except for significant defects; if defective, return/exchange possible within 3 days of arrival (return shipping paid by customer).
This is a Ko-Tosho tsuba featuring a Yukiwa Jougi (snowflake ruler) sukashi (openwork) design. It is made of iron with a tsuchimeji (hammered) surface and kagesukashi (silhouette openwork). The tsuba measures 9.12cm in length, 9.67cm in width, and 0.34cm in seppadai thickness, weighing 154.5g. It comes with an NBTHK Tokubetsu Hozon Tosogu certificate.
Certificate reading — 無銘(古刀匠)
Ko-Tosho · Koto





















Ko-tosho School
Kotō
Tokuho (NBTHK)
Tosho-Katchushi
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
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/cancellations not accepted after shipment except for significant defects; if defective, return/exchange possible within 3 days of arrival (return shipping paid by customer).