This is an ubu tachi attributed to the Ko-Bizen school, dating from the late Heian to early Kamakura period. It features a nagasa of 79.8cm, a deep koshi-zori, and a well-forged jitetsu with ji-nie and utsuri. The blade comes with a koshirae from the late Edo period and a Tokubetsu Hozon Token certificate.
NihontoWatchmumei · Kobizen · Koto · nagasa 79.8cm · sori 3.1cm
Bizen-den · Bizen
5 pieces on the market now
Ko-Bizen (古備前) is the oldest stratum of the Bizen tradition, the work of the smiths who forged in Bizen province from the late Heian period, around the Eien era, into the early and middle Kamakura. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Tomonari友成 | 987-989 | 33 |
| Masatsune正恒 | 987-989 | 66 |
| Kanehira包平 | 1151-1200 | 28 |
| Kageyasu景安 | 1222-1224 | 27 |
| Yoshikane吉包 | 1150-1220 | 46 |
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 siteFor one-of-a-kind items such as swords, sword fittings, and antiques, please contact us about a return within 3 days of the item's arrival and ship it back within 8 days. Refunds are issued the same day the returned item arrives.
This is an ubu tachi attributed to the Ko-Bizen school, dating from the late Heian to early Kamakura period. It features a nagasa of 79.8cm, a deep koshi-zori, and a well-forged jitetsu with ji-nie and utsuri. The blade comes with a koshirae from the late Edo period and a Tokubetsu Hozon Token certificate.
NihontoWatchmumei · Kobizen · Koto · nagasa 79.8cm · sori 3.1cm
Bizen-den · Bizen
5 pieces on the market now
Ko-Bizen (古備前) is the oldest stratum of the Bizen tradition, the work of the smiths who forged in Bizen province from the late Heian period, around the Eien era, into the early and middle Kamakura. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Tomonari友成 | 987-989 | 33 |
| Masatsune正恒 | 987-989 | 66 |
| Kanehira包平 | 1151-1200 | 28 |
| Kageyasu景安 | 1222-1224 | 27 |
| Yoshikane吉包 | 1150-1220 | 46 |
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 siteFor one-of-a-kind items such as swords, sword fittings, and antiques, please contact us about a return within 3 days of the item's arrival and ship it back within 8 days. Refunds are issued the same day the returned item arrives.
