This is a round tsuba made by Kyousyouami school in Yamashiro province. It features a tea utensil sukashi (openwork) design on an iron plate with kebori (hairline carving) and kakumimikoniku (raised edge). The Shoami school prospered from the Muromachi period to the late Edo period.

Kyo-Shoami School
Edo
Yamashiro
Signed
Hozon (NBTHK)
Iron-tsuba · Yamashiro
14 pieces on the market now
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft 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 round tsuba made by Kyousyouami school in Yamashiro province. It features a tea utensil sukashi (openwork) design on an iron plate with kebori (hairline carving) and kakumimikoniku (raised edge). The Shoami school prospered from the Muromachi period to the late Edo period.

Kyo-Shoami School
Edo
Yamashiro
Signed
Hozon (NBTHK)
Iron-tsuba · Yamashiro
14 pieces on the market now
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft 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).