This is a katana attributed to Gassan Sadayoshi, measuring 71.8cm. It dates to the late Edo period (1840-1860). The blade features a straight hamon and is mounted in a koshirae suitable for iaido and test cutting.
mumei · Gassan · Tenpo (1830-1844) · nagasa 71.8cm · sori 1.4cm


















































Shinshinto · Settsu · around 1830-1863
Fujishiro Jo saku · Tōken Taikan top 49%
1 piece on the market now
Shinshinto · Settsu
40 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sadaharu貞晴 | 1865-1868 | 0 |
| Sadayoshi貞吉 | 1926-1989 | 0 |
| Yoshiaki吉明 | 1844-1848 | 0 |
| Naonobu直信 | 1854-1860 | 0 |
| Sadayoshi貞吉 | 1830-1863 | 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.
Please contact us promptly after the item's arrival. Except where the item is defective, we cannot accept returns. For returns due to customer circumstances, the cost is the customer's responsibility. In the case of a defective item, we bear the cost.
This is a katana attributed to Gassan Sadayoshi, measuring 71.8cm. It dates to the late Edo period (1840-1860). The blade features a straight hamon and is mounted in a koshirae suitable for iaido and test cutting.
mumei · Gassan · Tenpo (1830-1844) · nagasa 71.8cm · sori 1.4cm


















































Shinshinto · Settsu · around 1830-1863
Fujishiro Jo saku · Tōken Taikan top 49%
1 piece on the market now
Shinshinto · Settsu
40 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sadaharu貞晴 | 1865-1868 | 0 |
| Sadayoshi貞吉 | 1926-1989 | 0 |
| Yoshiaki吉明 | 1844-1848 | 0 |
| Naonobu直信 | 1854-1860 | 0 |
| Sadayoshi貞吉 | 1830-1863 | 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.
Please contact us promptly after the item's arrival. Except where the item is defective, we cannot accept returns. For returns due to customer circumstances, the cost is the customer's responsibility. In the case of a defective item, we bear the cost.