This is a Katana by Yokoyama-kozuke-daijo Fujiwara Sukesada from the Bizen Osafune school, active during the Middle Edo period (circa 1675). The blade features a Shinogizukuri shape with Itame hada and a vibrant Gunome style hamon with Kaninotsume (crab claw) patterns. It comes with an NBTHK Tokubetsu Hozon Token certificate and is housed in a shirasaya with a silver habaki.
mei · Osafune · Shinto · nagasa 69.3cm · sori 1.2cm






















Bizen-den · Bizen · around 1596-1615
5 pieces on the market now
Where Sukesada 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.
Years he was demonstrably active, proven by signed-and-dated blades
Bizen-den · Bizen
Phase: Sue-Bizen末備前· 1441–1596
71 pieces on the market now
The last great chapter of Osafune unfolds in the Eisho and Tenbun years of the late Muromachi, when the riverside workshop turned its accumulated craft toward an age of constant war. Where Oei-Bizen had looked backward, reviving the tachi shape and the choji temper of the Kamakura masters under Yasumitsu and Morimitsu, Sue-Bizen faces forward into Sengoku demand. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Sukesada祐定 | 1504-1551 | 72 |
| Sukesada祐定 | 1532-1583 | 18 |
| Sukesada祐定 | 1547-1592 | 8 |
| Sukesada祐定 | 1487-1521 | 5 |
| Sukesada祐定 | 1532-1573 | 3 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
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 siteNo cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).
This is a Katana by Yokoyama-kozuke-daijo Fujiwara Sukesada from the Bizen Osafune school, active during the Middle Edo period (circa 1675). The blade features a Shinogizukuri shape with Itame hada and a vibrant Gunome style hamon with Kaninotsume (crab claw) patterns. It comes with an NBTHK Tokubetsu Hozon Token certificate and is housed in a shirasaya with a silver habaki.
mei · Osafune · Shinto · nagasa 69.3cm · sori 1.2cm






















Bizen-den · Bizen · around 1596-1615
5 pieces on the market now
Where Sukesada 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.
Years he was demonstrably active, proven by signed-and-dated blades
Bizen-den · Bizen
Phase: Sue-Bizen末備前· 1441–1596
71 pieces on the market now
The last great chapter of Osafune unfolds in the Eisho and Tenbun years of the late Muromachi, when the riverside workshop turned its accumulated craft toward an age of constant war. Where Oei-Bizen had looked backward, reviving the tachi shape and the choji temper of the Kamakura masters under Yasumitsu and Morimitsu, Sue-Bizen faces forward into Sengoku demand. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Sukesada祐定 | 1504-1551 | 72 |
| Sukesada祐定 | 1532-1583 | 18 |
| Sukesada祐定 | 1547-1592 | 8 |
| Sukesada祐定 | 1487-1521 | 5 |
| Sukesada祐定 | 1532-1573 | 3 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
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 siteNo cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).