This is a tsuba from the Shonai school, featuring a bamboo grass design. It is made of iron with a hagime-moyouji surface, sukidashibori carving, and zougan-iroe inlay. The tsuba is certified as Hozon Tosogu by the NBTHK.
Shonai · Edo

Shonai School
Edo
Dewa
Hozon (NBTHK)
Kinko · Dewa
19 pieces on the market now
The Shonai metalworking tradition arose in the castle town of the Sakai lords in Dewa Province, where geographic remoteness from the great urban ateliers fostered a distinctive regional idiom sustained across multiple generations of domain-retained craftsmen (kakae-ko). The earliest master attested in the designation corpus is Zaoya (1661--1742), who studied under Sato Chinkyu -- the same teacher who trained Nara Yasuchika -- yet remained throughout his life in Shonai and never traveled to Edo. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Arichika在哉 | 1670 | 1 |
| Mitsunaka光中 | 1670 | 3 |
| Tokio時雄 | 1670 | 1 |
| Horyusai Mitsuakira鳳龍斎光精 | — | 1 |
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 tsuba from the Shonai school, featuring a bamboo grass design. It is made of iron with a hagime-moyouji surface, sukidashibori carving, and zougan-iroe inlay. The tsuba is certified as Hozon Tosogu by the NBTHK.
Shonai · Edo

Shonai School
Edo
Dewa
Hozon (NBTHK)
Kinko · Dewa
19 pieces on the market now
The Shonai metalworking tradition arose in the castle town of the Sakai lords in Dewa Province, where geographic remoteness from the great urban ateliers fostered a distinctive regional idiom sustained across multiple generations of domain-retained craftsmen (kakae-ko). The earliest master attested in the designation corpus is Zaoya (1661--1742), who studied under Sato Chinkyu -- the same teacher who trained Nara Yasuchika -- yet remained throughout his life in Shonai and never traveled to Edo. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Arichika在哉 | 1670 | 1 |
| Mitsunaka光中 | 1670 | 3 |
| Tokio時雄 | 1670 | 1 |
| Horyusai Mitsuakira鳳龍斎光精 | — | 1 |
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).