This is an unsigned katana attributed to Unju, a smith of the Ukai school in Bizen Province, active during the Nanbokucho period. It features a wide body, thin kasane, and a magnificent o-kissaki, characteristic of the era. The blade comes with an NBTHK Tokubetsu Hozon paper, confirming its authenticity and quality.
NihontoWatchmumei · Ukai · Nanbokucho · nagasa 65cm · sori 1.4cm
Bizen-den · Bizen
8 pieces on the market now
At Ukan-no-shō in Bizen Province, a place name later written Ukai, a small group of smiths worked from the close of the Kamakura period into the first decades of Nanbokuchō, every one of them setting the character Un, the cloud, at the head of his name; for that habit the published sources know them equally as the Ukai school and as the Unrui, the cloud group. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Unsho雲生 | 1303-1306 | 72 |
| Unji雲次 | 1315-1335 | 131 |
| Unju雲重 | 1352-1375 | 60 |
| Unsho雲生 | 1317-1319 | 0 |
| Morikage守景 | 1352-1356 | 0 |
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 cooling-off, contact us within 3 days including the day you received the item, and ship it so that it arrives within 8 days. After 8 days a return cannot be accepted. Returning an item after 8 days will be treated as a buy-back.
This is an unsigned katana attributed to Unju, a smith of the Ukai school in Bizen Province, active during the Nanbokucho period. It features a wide body, thin kasane, and a magnificent o-kissaki, characteristic of the era. The blade comes with an NBTHK Tokubetsu Hozon paper, confirming its authenticity and quality.
NihontoWatchmumei · Ukai · Nanbokucho · nagasa 65cm · sori 1.4cm
Bizen-den · Bizen
8 pieces on the market now
At Ukan-no-shō in Bizen Province, a place name later written Ukai, a small group of smiths worked from the close of the Kamakura period into the first decades of Nanbokuchō, every one of them setting the character Un, the cloud, at the head of his name; for that habit the published sources know them equally as the Ukai school and as the Unrui, the cloud group. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Unsho雲生 | 1303-1306 | 72 |
| Unji雲次 | 1315-1335 | 131 |
| Unju雲重 | 1352-1375 | 60 |
| Unsho雲生 | 1317-1319 | 0 |
| Morikage守景 | 1352-1356 | 0 |
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 cooling-off, contact us within 3 days including the day you received the item, and ship it so that it arrives within 8 days. After 8 days a return cannot be accepted. Returning an item after 8 days will be treated as a buy-back.
