Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
This is a Hirazukuri tanto by Gassan Sadakazu, measuring 23.0cm. It features carvings of Kurikara and a lotus stand on the front, and Gomabashi on the back. The blade exhibits a fine Itame-mokume hada with ji-nie and chikei, and a Togari-gunome hamon with kinsuji and soft nioiguchi. The tang is ubu with kesho-yasurime and a clear signature by the first generation Gassan Sadakazu.
NihontoWatchmei · Gassan · Genji (1864-1865) · nagasa 23cm
Shinshinto · Settsu · around 1864-1865
Fujishiro Jo saku · Tōken Taikan top 23%
10 pieces on the market now
Where Sadakazu 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.
Shinshinto · Settsu
36 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sadakazu貞一 | 1864-1865 | 2 |
| Sadaharu貞晴 | 1865-1868 | 0 |
| Sadayoshi貞吉 | 1926-1989 | 0 |
| Yoshiaki吉明 | 1844-1848 | 0 |
| Sadayoshi貞吉 | 1830-1863 | 0 |
Bakumatsu: the last war market
Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
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 Hirazukuri tanto by Gassan Sadakazu, measuring 23.0cm. It features carvings of Kurikara and a lotus stand on the front, and Gomabashi on the back. The blade exhibits a fine Itame-mokume hada with ji-nie and chikei, and a Togari-gunome hamon with kinsuji and soft nioiguchi. The tang is ubu with kesho-yasurime and a clear signature by the first generation Gassan Sadakazu.
NihontoWatchmei · Gassan · Genji (1864-1865) · nagasa 23cm
Shinshinto · Settsu · around 1864-1865
Fujishiro Jo saku · Tōken Taikan top 23%
10 pieces on the market now
Where Sadakazu 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.
Shinshinto · Settsu
36 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sadakazu貞一 | 1864-1865 | 2 |
| Sadaharu貞晴 | 1865-1868 | 0 |
| Sadayoshi貞吉 | 1926-1989 | 0 |
| Yoshiaki吉明 | 1844-1848 | 0 |
| Sadayoshi貞吉 | 1830-1863 | 0 |
Bakumatsu: the last war market
Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
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).
![Katana - Tokuho - by Gassan Sadakazu - Signed Naniwa ju Gassan Unryushi Sadakazu tsukuru [Seal] Keio gannen 11 gatsujitsu](/_next/image?url=https%3A%2F%2Fitbhfhyptogxcjbjfzwx.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Flisting-images%2Fchoshuya%2FL805711%2F00.jpg&w=2560&q=90)
![Tanto - by Gassan Sadakazu - Japanese Sword for Sale | Ginza Choshuya | Signed Naniwa Gassan Sadakazu [Engraved] Meiji 3rd Year, Spring, 120](/_next/image?url=https%3A%2F%2Fitbhfhyptogxcjbjfzwx.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Flisting-images%2Fchoshuya%2FL35805%2F00.jpg&w=2560&q=90)
![Tanto - Hozon - by Gassan Sadayoshi - Fuyou Asahi, Ansei Hebidoshi 8gatsuhi (Attributed to Gassan Sadayoshi) [NBTHK Hozon]](/_next/image?url=https%3A%2F%2Fitbhfhyptogxcjbjfzwx.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Flisting-images%2Ftoyuukai%2FL519985%2F04.jpg&w=2560&q=90)
