This is a tsuba made by Kongosai Gassan, who trained under Kawarabayashi Hideoki of the Otsuki School. The tsuba features a fabulous execution of an Otsue demon done on an iron base, a theme also done by Mitsuoki. Gassan died in the 8th year of Meiji (1875).



Otsuki School
Meiji
Signed
Tokuho (NBTHK)
Machibori · Yamashiro
21 pieces on the market now
The Otsuki school is a distinguished lineage of Kyoto kinko (metalworkers) whose production spans from the mid-Edo period through the Bakumatsu era, consistently identified by the NBTHK as one of the most eminent metalworking lineages of the capital. " The school also acknowledged its debt to earlier Kyoto masters, with the NBTHK detecting in Mitsuoki's modeling the influence of Umetada Myoju and in his pictorial conception the influence of Kaneie. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Tokuoki篤興 | 1813-1891 | 20 |
| Mitsuoki光興 | 1766-1834 | 12 |
| Hidekuni秀国 | 1670 | 8 |
| Oki/Masaoki/Minayama Oki応起 | 1670 | 7 |
| Harutsura春貫 | — | 6 |
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 accepted within 7 days of receipt (JP terms; EN page states 3 days). Customer must contact within the window and return at own cost. Refund after items confirmed in original condition; repair fees charged if damage occurs.
This is a tsuba made by Kongosai Gassan, who trained under Kawarabayashi Hideoki of the Otsuki School. The tsuba features a fabulous execution of an Otsue demon done on an iron base, a theme also done by Mitsuoki. Gassan died in the 8th year of Meiji (1875).



Otsuki School
Meiji
Signed
Tokuho (NBTHK)
Machibori · Yamashiro
21 pieces on the market now
The Otsuki school is a distinguished lineage of Kyoto kinko (metalworkers) whose production spans from the mid-Edo period through the Bakumatsu era, consistently identified by the NBTHK as one of the most eminent metalworking lineages of the capital. " The school also acknowledged its debt to earlier Kyoto masters, with the NBTHK detecting in Mitsuoki's modeling the influence of Umetada Myoju and in his pictorial conception the influence of Kaneie. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Tokuoki篤興 | 1813-1891 | 20 |
| Mitsuoki光興 | 1766-1834 | 12 |
| Hidekuni秀国 | 1670 | 8 |
| Oki/Masaoki/Minayama Oki応起 | 1670 | 7 |
| Harutsura春貫 | — | 6 |
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 accepted within 7 days of receipt (JP terms; EN page states 3 days). Customer must contact within the window and return at own cost. Refund after items confirmed in original condition; repair fees charged if damage occurs.