This is a kozuka made of shibuichi, engraved and inlaid with gold, silver, and copper. The decoration depicts two men looking at the moon, referencing the Shurangama Sutra of Zen Buddhism. The kozuka is signed by Kiryūsai Sōmin of the Yokoya school and has been certified as Tokubetsu Hozon by the NBTHK.
mei · Yokoya · Edo








Yokoya Kiryusai Somin
Edo
Signed
Tokuho (NBTHK)
Machibori · Edo
3 pieces on the market now
Where Kiryusai Somin stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
Select a lens to see how it's measured.
Machibori · Edo
101 pieces on the market now
The Yokoya school was the largest metalworking lineage of the Edo period, founded in the early seventeenth century when the first-generation Yokoya Soyo -- sometimes distinguished as "Sofu Soyo" or "Ko-Soyo" -- studied under Goto Injo Mitsutomi and established an independent atelier in Edo. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Somin宗珉 | — | 50 |
| Soyo宗與 | — | 13 |
| Soju宗壽 | — | 3 |
| Yoshisada宜貞 | — | 0 |
| Yasukiyo安精 | — | 0 |
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 on items ordered from the site when an item does not appear to be as depicted and described; buyer must notify via email within 7 days of receipt. Refund covers purchase price minus shipping, bank fees, and currency conversion. Sales on items paid in terms are final, as are sales of items personally inspected.
This is a kozuka made of shibuichi, engraved and inlaid with gold, silver, and copper. The decoration depicts two men looking at the moon, referencing the Shurangama Sutra of Zen Buddhism. The kozuka is signed by Kiryūsai Sōmin of the Yokoya school and has been certified as Tokubetsu Hozon by the NBTHK.
mei · Yokoya · Edo








Yokoya Kiryusai Somin
Edo
Signed
Tokuho (NBTHK)
Machibori · Edo
3 pieces on the market now
Where Kiryusai Somin stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
Select a lens to see how it's measured.
Machibori · Edo
101 pieces on the market now
The Yokoya school was the largest metalworking lineage of the Edo period, founded in the early seventeenth century when the first-generation Yokoya Soyo -- sometimes distinguished as "Sofu Soyo" or "Ko-Soyo" -- studied under Goto Injo Mitsutomi and established an independent atelier in Edo. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Somin宗珉 | — | 50 |
| Soyo宗與 | — | 13 |
| Soju宗壽 | — | 3 |
| Yoshisada宜貞 | — | 0 |
| Yasukiyo安精 | — | 0 |
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 on items ordered from the site when an item does not appear to be as depicted and described; buyer must notify via email within 7 days of receipt. Refund covers purchase price minus shipping, bank fees, and currency conversion. Sales on items paid in terms are final, as are sales of items personally inspected.