This is a naginata-naoshi wakizashi attributed to Nakajima Rai, a student of Rai Kuninaga, active in Settsu province during the late Kamakura period. It features a wide suguha-style hamon with abundant activities and a healthy jigane. The blade comes with a koshirae and a Tokubetsu Hozon certificate from the NBTHK.
mumei · Rai · Kamakura · nagasa 40.4cm · sori 1.2cm



Yamashiro-den · Settsu
6 pieces on the market now
The Nakajima Rai designation identifies swordmaking traditions established when Rai Kuninaga, a disciple of the Kyōto master Rai Kunitoshi, relocated to the Nakajima district of Settsu Province during the late Kamakura period. This move represented both geographical expansion of Rai school influence beyond the imperial capital and the deliberate transplantation of technically sophisticated Kyōto nie-based forging practices into a provincial setting. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kuninaga國長 | 1329-1331 | 58 |
| Kuninaga國長 | 1345-1350 | 11 |
| Kuniyasu國安 | 1329-1331 | 1 |
| Kuniyasu國安 | 1329-1331 | 1 |
| Kuninaga國長 | 1331-1336 | 2 |
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 a naginata-naoshi wakizashi attributed to Nakajima Rai, a student of Rai Kuninaga, active in Settsu province during the late Kamakura period. It features a wide suguha-style hamon with abundant activities and a healthy jigane. The blade comes with a koshirae and a Tokubetsu Hozon certificate from the NBTHK.
mumei · Rai · Kamakura · nagasa 40.4cm · sori 1.2cm



Yamashiro-den · Settsu
6 pieces on the market now
The Nakajima Rai designation identifies swordmaking traditions established when Rai Kuninaga, a disciple of the Kyōto master Rai Kunitoshi, relocated to the Nakajima district of Settsu Province during the late Kamakura period. This move represented both geographical expansion of Rai school influence beyond the imperial capital and the deliberate transplantation of technically sophisticated Kyōto nie-based forging practices into a provincial setting. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kuninaga國長 | 1329-1331 | 58 |
| Kuninaga國長 | 1345-1350 | 11 |
| Kuniyasu國安 | 1329-1331 | 1 |
| Kuniyasu國安 | 1329-1331 | 1 |
| Kuninaga國長 | 1331-1336 | 2 |
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.