This is an unsigned iron tsuba attributed to Ko-Shoami from the Muromachi period. It features a sumi-iri rectangular shape with openwork depicting a barred window (koushi) design, a hammered surface, and a contoured square mimi edge. The tsuba measures 7.7 cm x 7.6 cm with a thickness of 0.38 cm at the mimi and 0.40 cm at the seppa-dai, and comes with an NBTHK Tokubetsu Hozon certificate.
Certificate reading — 無銘（古正阿弥）
NihontoWatchBETAmumei · Ko-Shoami · Koto
Ko-Shoami School
Kotō
Unsigned
Tokuho (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 →
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 siteFor a return, please contact us within 7 days of the item's arrival. If specification changes such as dimensions were made at the customer's request, a return cannot be accepted. Shipping and transfer fees are the customer's responsibility.
This is an unsigned iron tsuba attributed to Ko-Shoami from the Muromachi period. It features a sumi-iri rectangular shape with openwork depicting a barred window (koushi) design, a hammered surface, and a contoured square mimi edge. The tsuba measures 7.7 cm x 7.6 cm with a thickness of 0.38 cm at the mimi and 0.40 cm at the seppa-dai, and comes with an NBTHK Tokubetsu Hozon certificate.
Certificate reading — 無銘（古正阿弥）
NihontoWatchBETAmumei · Ko-Shoami · Koto
Ko-Shoami School
Kotō
Unsigned
Tokuho (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 →
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 siteFor a return, please contact us within 7 days of the item's arrival. If specification changes such as dimensions were made at the customer's request, a return cannot be accepted. Shipping and transfer fees are the customer's responsibility.
