This is a tsuba made by Tadanao from the Edo era. It features a Haru-Kasumi Ukare-goma Sukashi design. The tsuba is made of iron and has a round shape with openwork carving.





Akasaka Tadanao
Edo
Musashi
Signed
Hozon (NBTHK)
Iron-tsuba · Musashi · around 1661-1688
1 piece on the market now
Iron-tsuba · Edo
Phase: Ko-Akasaka古赤坂· 1624–1700
76 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Tadamasa忠正 | 1624-1658 | 7 |
| Tadashige忠重 | 1730-1816 | 5 |
| Tadatoki忠時 | 1704-1764 | 0 |
| Juchiku/Toshitake寿竹 | — | 0 |
| Tadanori忠則 | 1730-1780 | 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 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 tsuba made by Tadanao from the Edo era. It features a Haru-Kasumi Ukare-goma Sukashi design. The tsuba is made of iron and has a round shape with openwork carving.





Akasaka Tadanao
Edo
Musashi
Signed
Hozon (NBTHK)
Iron-tsuba · Musashi · around 1661-1688
1 piece on the market now
Iron-tsuba · Edo
Phase: Ko-Akasaka古赤坂· 1624–1700
76 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Tadamasa忠正 | 1624-1658 | 7 |
| Tadashige忠重 | 1730-1816 | 5 |
| Tadatoki忠時 | 1704-1764 | 0 |
| Juchiku/Toshitake寿竹 | — | 0 |
| Tadanori忠則 | 1730-1780 | 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 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).