This is a long katana by Sukenao of the Bizen Yokoyama group, active in the early to mid-19th century. It features a chogi midare hamon with a bright nioi-guchi and fine ko-nie. The blade is in polish and comes with both shirasaya and a custom Gunto koshirae, which includes a pierced tsuba and a family mon on the tsuka.
NihontoWatchmei · Yokoyama · Shin-shinto · nagasa 73.2cm · sori 1.5cm
Yokoyama Sukenao
Shinshintō
Bizen
Signed
Bizen-den · Bizen
44 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sukenobu祐信 | 1830-1844 | 0 |
| Suketaka祐高 | 1865-1868 | 0 |
| Sukeharu祐春 | 1864-1865 | 0 |
| Sukehiro祐廣 | 1854-1860 | 0 |
| Sukekane祐包 | 1868-1912 | 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.
3-day return window from receipt.
This is a long katana by Sukenao of the Bizen Yokoyama group, active in the early to mid-19th century. It features a chogi midare hamon with a bright nioi-guchi and fine ko-nie. The blade is in polish and comes with both shirasaya and a custom Gunto koshirae, which includes a pierced tsuba and a family mon on the tsuka.
NihontoWatchmei · Yokoyama · Shin-shinto · nagasa 73.2cm · sori 1.5cm
Yokoyama Sukenao
Shinshintō
Bizen
Signed
Bizen-den · Bizen
44 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sukenobu祐信 | 1830-1844 | 0 |
| Suketaka祐高 | 1865-1868 | 0 |
| Sukeharu祐春 | 1864-1865 | 0 |
| Sukehiro祐廣 | 1854-1860 | 0 |
| Sukekane祐包 | 1868-1912 | 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.
3-day return window from receipt.
