An Owari school tsuba featuring a design of flowerheads and handles. Made in the late Muromachi period, this iron tsuba has a round shape and a raised rim with small rounded corners. It comes with an NBTHK Hozon Tosogu certificate as "Owari".




Owari School
Muromachi
Owari
Unsigned
Hozon (NBTHK)
Iron-tsuba · Owari
84 pieces on the market now
The Owari school represents one of the twin pillars of Japanese iron openwork tsuba production, standing alongside the Kyō tradition as a defining force in the art of ji-sukashi (ground openwork) guards. The school's origins lie in the Owari province (modern Aichi prefecture), where production began in the early to middle Muromachi period and continued across a sustained span extending into the Edo period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Nobuie信家 | — | 56 |
| Hiko’emon彦右衛門 | — | 0 |
| Katsuaki克明 | — | 0 |
| Shigemasa重正 | — | 0 |
| Norisuke則亮 (Norisuke/Koreyoshi | — | 0 |
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 accepted within 7 days of delivery (return shipping paid by customer); items must arrive in original condition; international orders cannot be returned.
An Owari school tsuba featuring a design of flowerheads and handles. Made in the late Muromachi period, this iron tsuba has a round shape and a raised rim with small rounded corners. It comes with an NBTHK Hozon Tosogu certificate as "Owari".




Owari School
Muromachi
Owari
Unsigned
Hozon (NBTHK)
Iron-tsuba · Owari
84 pieces on the market now
The Owari school represents one of the twin pillars of Japanese iron openwork tsuba production, standing alongside the Kyō tradition as a defining force in the art of ji-sukashi (ground openwork) guards. The school's origins lie in the Owari province (modern Aichi prefecture), where production began in the early to middle Muromachi period and continued across a sustained span extending into the Edo period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Nobuie信家 | — | 56 |
| Hiko’emon彦右衛門 | — | 0 |
| Katsuaki克明 | — | 0 |
| Shigemasa重正 | — | 0 |
| Norisuke則亮 (Norisuke/Koreyoshi | — | 0 |
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 accepted within 7 days of delivery (return shipping paid by customer); items must arrive in original condition; international orders cannot be returned.