This is a tsuba (sword guard) designated as Tokubetsu Hozon Tosogu. It is attributed to the Ko-Kacchushi school and features a Shihou Inome Sukashi design. The tsuba has a mokkougata shape, tetsuishimeji ground, and a marumimi edge, with one of the hitsuana (holes) filled.
Certificate reading — 無銘（古甲冑師）
NihontoWatchBETAmumei · Muromachi
Ko-Katchushi School
Muromachi
Unsigned
Tokuho (NBTHK)
Tosho-Katchushi
36 pieces on the market now
The Ko-Katchūshi tradition emerged during the Nanbokuchō and Muromachi periods as armorers (katchūshi) began producing sword guards as an auxiliary craft alongside their primary occupation of armor fabrication. As the uchigatana evolved from a purely utilitarian weapon into an object of aesthetic appreciation, craftsmen who had honed their metalworking skills in forging helmet plates, the small scales (kozane) of armor, and face defenses (menpō) applied this expertise to tsuba production. Learn more →
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 tsuba (sword guard) designated as Tokubetsu Hozon Tosogu. It is attributed to the Ko-Kacchushi school and features a Shihou Inome Sukashi design. The tsuba has a mokkougata shape, tetsuishimeji ground, and a marumimi edge, with one of the hitsuana (holes) filled.
Certificate reading — 無銘（古甲冑師）
NihontoWatchBETAmumei · Muromachi
Ko-Katchushi School
Muromachi
Unsigned
Tokuho (NBTHK)
Tosho-Katchushi
36 pieces on the market now
The Ko-Katchūshi tradition emerged during the Nanbokuchō and Muromachi periods as armorers (katchūshi) began producing sword guards as an auxiliary craft alongside their primary occupation of armor fabrication. As the uchigatana evolved from a purely utilitarian weapon into an object of aesthetic appreciation, craftsmen who had honed their metalworking skills in forging helmet plates, the small scales (kozane) of armor, and face defenses (menpō) applied this expertise to tsuba production. Learn more →
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).
