This is a katana attributed to Soshu Tsunahiro from the Shin-Shinto period. The blade has a length of 69.75 cm and comes with a Hozon certificate. It is mounted in a naval tachi style koshirae.
mumei · Soshu · Tenmei (1781-1789) · nagasa 69.75cm · sori 1.6cm




















Soshu-den · Sagami
42 pieces on the market now
The Soshu school took root in Kamakura, the seat of the Hojo regents in Sagami province, where the demand of the warrior government drew the country's leading smiths to a single town. The published sources count Awataguchi Kunitsuna of Yamashiro and the Bizen masters Kunimune and Sukezane among the immigrant pioneers of Kamakura sword-making, but the first native smith of Sagami, the man who cut his Kamakura residence and his dates into the nakago, was Shintogo Kunimitsu, reckoned the de facto founder of the Soshu-den. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Masamune正宗 | 1288-1293 | 88 |
| Sadamune貞宗 | 1329-1331 | 87 |
| Akihiro秋廣 | 1346-1370 | 28 |
| Go Yoshihiro義弘 | 1299-1302 | 55 |
| Kunimitsu國光 | 1293-1322 | 72 |
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.

This is a katana attributed to Soshu Tsunahiro from the Shin-Shinto period. The blade has a length of 69.75 cm and comes with a Hozon certificate. It is mounted in a naval tachi style koshirae.
mumei · Soshu · Tenmei (1781-1789) · nagasa 69.75cm · sori 1.6cm




















Soshu-den · Sagami
42 pieces on the market now
The Soshu school took root in Kamakura, the seat of the Hojo regents in Sagami province, where the demand of the warrior government drew the country's leading smiths to a single town. The published sources count Awataguchi Kunitsuna of Yamashiro and the Bizen masters Kunimune and Sukezane among the immigrant pioneers of Kamakura sword-making, but the first native smith of Sagami, the man who cut his Kamakura residence and his dates into the nakago, was Shintogo Kunimitsu, reckoned the de facto founder of the Soshu-den. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Masamune正宗 | 1288-1293 | 88 |
| Sadamune貞宗 | 1329-1331 | 87 |
| Akihiro秋廣 | 1346-1370 | 28 |
| Go Yoshihiro義弘 | 1299-1302 | 55 |
| Kunimitsu國光 | 1293-1322 | 72 |
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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 within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.
