This is a katana signed by Munemasa from the Muromachi period. It has a blade length of 71.0 cm and comes with a certificate. The sword weighs 811g (blade only) and 1041g (with outside parts).
mei · Muromachi · nagasa 71cm · sori 1.4cm



















Yamashiro-den · Wakasa · around 1394-1428
Tōken Taikan top 37%
2 pieces on the market now
Yamashiro-den · Settsu
7 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 |
This work carries older NBTHK “Kichō”-era papers, which the NBTHK no longer issues and now regards as unreliable. To confirm the attribution, submission to an official Japanese examination body (such as the NBTHK or NTHK) for modern certification could be considered.
Returns must be shipped within 3 days of delivery. Excludes modified/damaged items or past the deadline. Return shipping paid by customer. Overseas orders cannot be returned/refunded.
This is a katana signed by Munemasa from the Muromachi period. It has a blade length of 71.0 cm and comes with a certificate. The sword weighs 811g (blade only) and 1041g (with outside parts).
mei · Muromachi · nagasa 71cm · sori 1.4cm



















Yamashiro-den · Wakasa · around 1394-1428
Tōken Taikan top 37%
2 pieces on the market now
Yamashiro-den · Settsu
7 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 |
This work carries older NBTHK “Kichō”-era papers, which the NBTHK no longer issues and now regards as unreliable. To confirm the attribution, submission to an official Japanese examination body (such as the NBTHK or NTHK) for modern certification could be considered.
Returns must be shipped within 3 days of delivery. Excludes modified/damaged items or past the deadline. Return shipping paid by customer. Overseas orders cannot be returned/refunded.