This kogai depicts a valiant Bushin (God of War) in Japanese mythology attire, moving a stone pillar. The piece is crafted from shibuichi with high relief carving, inlaid with colored enamels. It was made by Shinonome-sai, likely of the Mito school, and is mounted in a small katana koshirae from the late Edo period. Certified as Hozon Tosogu in 2022.
Certificate reading — 銘 東雲斎
NihontoWatchmei · Mito · Edo
Tsuchiya Kunichika
Edo
Hitachi
Signed
Hozon (NBTHK)
Machibori · Musashi (Edo)
1 piece on the market now
Machibori · Musashi (Edo)
13 pieces on the market now
The Tsuchiya school is a branch of the Nara kinkō tradition, established in Edo (Musashi Province) by Tsuchiya Yasuchika, counted among the Nara Sansaku (Three Great Masters of Nara). Six generations of main-line heads carried the name Yasuchika (安親), perpetuating a continuous workshop lineage from the Genroku era through the late Edo period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Yasuchika安親 | 1804-1830 | 0 |
| Yasuchika安親 | 1718-1778 | 0 |
| Yasunari安成 | — | 0 |
| Yasunori安則 | — | 0 |
| Kunichika国親 | — | 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 siteDomestic: items may be returned within 7 days in original condition for a full refund (buyer covers transport). Overseas orders: no-refunds, no-returns.
This kogai depicts a valiant Bushin (God of War) in Japanese mythology attire, moving a stone pillar. The piece is crafted from shibuichi with high relief carving, inlaid with colored enamels. It was made by Shinonome-sai, likely of the Mito school, and is mounted in a small katana koshirae from the late Edo period. Certified as Hozon Tosogu in 2022.
Certificate reading — 銘 東雲斎
NihontoWatchmei · Mito · Edo
Tsuchiya Kunichika
Edo
Hitachi
Signed
Hozon (NBTHK)
Machibori · Musashi (Edo)
1 piece on the market now
Machibori · Musashi (Edo)
13 pieces on the market now
The Tsuchiya school is a branch of the Nara kinkō tradition, established in Edo (Musashi Province) by Tsuchiya Yasuchika, counted among the Nara Sansaku (Three Great Masters of Nara). Six generations of main-line heads carried the name Yasuchika (安親), perpetuating a continuous workshop lineage from the Genroku era through the late Edo period. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Yasuchika安親 | 1804-1830 | 0 |
| Yasuchika安親 | 1718-1778 | 0 |
| Yasunari安成 | — | 0 |
| Yasunori安則 | — | 0 |
| Kunichika国親 | — | 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 siteDomestic: items may be returned within 7 days in original condition for a full refund (buyer covers transport). Overseas orders: no-refunds, no-returns.
