This is a Ko-Shoami tsuba featuring a design of rabbits on both sides. It is made of iron with kebori and kagebori carving, and has a marumimi (round rim). The Shoami school flourished from the Muromachi to late Edo period, with pieces from the Muromachi/Momoyama period being referred to as Ko-Shoami.
Certificate reading — 無銘(古正阿弥)
Shoami · Muromachi

















Ko-Shoami School
Muromachi
Hozon (NBTHK)
Iron-tsuba
The Ko-Shōami (Old Shōami) represent a collective of specialist tsuba makers active in Kyōto from the middle through the late Muromachi period, extending into the Momoyama era. The prevailing scholarly view holds that these artisans originally worked as general tōsōgu craftsmen before becoming specialized tsuba makers. Unlike other major schools of the period, Ko-Shōami works lack widely celebrated individual masterpieces, and attributions typically reference the group name rather than specific hands. Learn more →
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 Ko-Shoami tsuba featuring a design of rabbits on both sides. It is made of iron with kebori and kagebori carving, and has a marumimi (round rim). The Shoami school flourished from the Muromachi to late Edo period, with pieces from the Muromachi/Momoyama period being referred to as Ko-Shoami.
Certificate reading — 無銘(古正阿弥)
Shoami · Muromachi

















Ko-Shoami School
Muromachi
Hozon (NBTHK)
Iron-tsuba
The Ko-Shōami (Old Shōami) represent a collective of specialist tsuba makers active in Kyōto from the middle through the late Muromachi period, extending into the Momoyama era. The prevailing scholarly view holds that these artisans originally worked as general tōsōgu craftsmen before becoming specialized tsuba makers. Unlike other major schools of the period, Ko-Shōami works lack widely celebrated individual masterpieces, and attributions typically reference the group name rather than specific hands. Learn more →
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).