This is a mumei tanto attributed to the Hasebe school, dating to the Nanbokucho period around 1345. It features a well-forged ko-itame hada with visible utsuri, and a hitatsura hamon. The koshirae is aikuchi-style with deep carvings of lions and peonies.





Soshu-den · Yamashiro
4 pieces on the market now
The Hasebe school (長谷部) took its base in Kyoto, at Gojo-bomon Inokuma in Yamashiro, where it settled during the Nanbokucho period after a longer migration that the published sources now read as a movement out of Yamato, through maturation in Sagami, and at last into the capital. Its founder, Hasebe Kunishige, carried the Soshu-den learned in the orbit of Masamune, counted in the old reckoning among the Masamune-juttetsu, and his Yamato substrate shows through the Soshu manner in his steel. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kunishige國重 | 1334-1360 | 54 |
| Kuninobu國信 | 1334-1363 | 41 |
| Kunihira國平 | 1336-1364 | 3 |
| Kageshige景重 | 1532-1555 | 0 |
| Kunishige國重 | 1370-1372 | 0 |
We could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.
If you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.
This is a mumei tanto attributed to the Hasebe school, dating to the Nanbokucho period around 1345. It features a well-forged ko-itame hada with visible utsuri, and a hitatsura hamon. The koshirae is aikuchi-style with deep carvings of lions and peonies.





Soshu-den · Yamashiro
4 pieces on the market now
The Hasebe school (長谷部) took its base in Kyoto, at Gojo-bomon Inokuma in Yamashiro, where it settled during the Nanbokucho period after a longer migration that the published sources now read as a movement out of Yamato, through maturation in Sagami, and at last into the capital. Its founder, Hasebe Kunishige, carried the Soshu-den learned in the orbit of Masamune, counted in the old reckoning among the Masamune-juttetsu, and his Yamato substrate shows through the Soshu manner in his steel. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Kunishige國重 | 1334-1360 | 54 |
| Kuninobu國信 | 1334-1363 | 41 |
| Kunihira國平 | 1336-1364 | 3 |
| Kageshige景重 | 1532-1555 | 0 |
| Kunishige國重 | 1370-1372 | 0 |
We could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.
If you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.