This katana by Yasutsugu is in good condition with no rust or chips. It features a tight itame hada and a clear suguha hamon. The nakago is ubu with a kurijiri end. It comes with a black lacquered saya and a round tsuba with a dragon design. The mei reads "〇南〇鉄越前康継" on the omote and "以〇〇江戸作之" on the ura, indicating it was made by a smith from the Yasutsugu lineage, who served as official swordsmiths to the Edo Shogunate from the early to late Edo period.
mei · Kanbun (1661-1673) · nagasa 60.7cm · sori 1.2cm

Shinto · Echizen · around 1660-1673
Tōken Taikan top 14%
8 pieces on the market now
Where Yasutsugu stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
Select a lens to see how it's measured.
Years he was demonstrably active, proven by signed-and-dated blades
Shinto · Echizen
52 pieces on the market now
The Shimosaka name began not as a single hand but as a trademark shared by a band of Echizen smiths at the dawn of the shinto era, and the designated record gathers their work under that one signature rather than parsing it into individuals. The published sources read the early inscriptions, the generic Echizen no Kuni Shimosaka and the titled Higo Daijo Fujiwara Shimosaka, as the product of a group, of which the first-generation Yasutsugu served as the representative. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Yasutsugu康繼 | 1596-1615 | 73 |
| Yasutsugu康繼 | 1624-1644 | 27 |
| Yasutsugu康繼 | 1661-1673 | 8 |
| Sadakuni貞國 | 1596-1615 | 11 |
| Shigetaka重高 | 1596-1615 | 6 |
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.
This katana by Yasutsugu is in good condition with no rust or chips. It features a tight itame hada and a clear suguha hamon. The nakago is ubu with a kurijiri end. It comes with a black lacquered saya and a round tsuba with a dragon design. The mei reads "〇南〇鉄越前康継" on the omote and "以〇〇江戸作之" on the ura, indicating it was made by a smith from the Yasutsugu lineage, who served as official swordsmiths to the Edo Shogunate from the early to late Edo period.
mei · Kanbun (1661-1673) · nagasa 60.7cm · sori 1.2cm

Shinto · Echizen · around 1660-1673
Tōken Taikan top 14%
8 pieces on the market now
Where Yasutsugu stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
Select a lens to see how it's measured.
Years he was demonstrably active, proven by signed-and-dated blades
Shinto · Echizen
52 pieces on the market now
The Shimosaka name began not as a single hand but as a trademark shared by a band of Echizen smiths at the dawn of the shinto era, and the designated record gathers their work under that one signature rather than parsing it into individuals. The published sources read the early inscriptions, the generic Echizen no Kuni Shimosaka and the titled Higo Daijo Fujiwara Shimosaka, as the product of a group, of which the first-generation Yasutsugu served as the representative. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Yasutsugu康繼 | 1596-1615 | 73 |
| Yasutsugu康繼 | 1624-1644 | 27 |
| Yasutsugu康繼 | 1661-1673 | 8 |
| Sadakuni貞國 | 1596-1615 | 11 |
| Shigetaka重高 | 1596-1615 | 6 |
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.