This is a Tanto signed by Hiromasa, made during the late Muromachi period in Sagami province. The blade features intricate Horimono, including a Kurikara-ken on one side and Bonji (Sanskrit characters) on the other, reflecting the spiritual beliefs of samurai warriors. It comes with an NBTHK Hozon Certificate, shirasaya, koshirae, and a traditional carrying case.
NihontoWatchBETAmei · Soshu · Muromachi · nagasa 21.2cm
Soshu-den · Sagami · around 1469-1487
Tōken Taikan top 37%
2 pieces on the market now
Where Hiromasa 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
Soshu-den · Sagami
Phase: Sue-Sōshū末相州· 1356–1868
15 pieces on the market now
When the great Kamakura masters had passed and the country slid into the wars of the late Muromachi, a residual Soshu-den held on in Sagami under a new patron. The Later Hojo, ruling from Odawara castle, kept smiths at hand, and it was from this orbit that the leading name of the window emerged: Tsunahiro, transmitted as a retained smith of the Odawara Hojo who took the character tsuna from Hojo Ujitsuna. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Tsunahiro綱廣 | 1532-1555 | 12 |
| Fusamune總宗 | 1504-1521 | 5 |
| Hiromasa廣正 | 1444-1456 | 4 |
| Kiyohira清平 | 1673-1681 | 4 |
| Tsunaie綱家 | 1532-1555 | 3 |
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/exchanges limited to defects caused by shipping (except willful misconduct or gross negligence by the company); customers must contact within 72 hours of receiving the product.
This is a Tanto signed by Hiromasa, made during the late Muromachi period in Sagami province. The blade features intricate Horimono, including a Kurikara-ken on one side and Bonji (Sanskrit characters) on the other, reflecting the spiritual beliefs of samurai warriors. It comes with an NBTHK Hozon Certificate, shirasaya, koshirae, and a traditional carrying case.
NihontoWatchBETAmei · Soshu · Muromachi · nagasa 21.2cm
Soshu-den · Sagami · around 1469-1487
Tōken Taikan top 37%
2 pieces on the market now
Where Hiromasa 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
Soshu-den · Sagami
Phase: Sue-Sōshū末相州· 1356–1868
15 pieces on the market now
When the great Kamakura masters had passed and the country slid into the wars of the late Muromachi, a residual Soshu-den held on in Sagami under a new patron. The Later Hojo, ruling from Odawara castle, kept smiths at hand, and it was from this orbit that the leading name of the window emerged: Tsunahiro, transmitted as a retained smith of the Odawara Hojo who took the character tsuna from Hojo Ujitsuna. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Tsunahiro綱廣 | 1532-1555 | 12 |
| Fusamune總宗 | 1504-1521 | 5 |
| Hiromasa廣正 | 1444-1456 | 4 |
| Kiyohira清平 | 1673-1681 | 4 |
| Tsunaie綱家 | 1532-1555 | 3 |
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/exchanges limited to defects caused by shipping (except willful misconduct or gross negligence by the company); customers must contact within 72 hours of receiving the product.
