This is a katana by Omi-no-kami Tadatsuna, also known as Ikkanshi Tadatsuna, from the Settsu province during the Middle Edo period (circa 1688). The blade features a vibrant Ashinaga-choji hamon and a Ko-itame jigane, showcasing the smith's exceptional skill. It comes with a red lacquered uchigatana koshirae and is accompanied by NBTHK Tokubetsu Hozon papers.
Certificate reading — 銘 粟田口近江守忠綱
NihontoWatchBETAmei · Kanei (1624-1644) · nagasa 61.1cm · sori 1.6cm
Shinto · Settsu · around 1661-1688
Tōken Taikan top 23%
3 pieces on the market now
Shinto · Settsu
73 pieces on the market now
Osaka in the early-to-mid Edo period was a merchant capital, a city of commerce and capital rather than a castle town tied to a single daimyo house, and the swordsmiths who gathered there worked for a wealthy townsman clientele as much as for warriors. The grouping known as Osaka Shinto (大坂新刀) took shape in Settsu from two feeder currents. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Shinkai真改 | 1649-1682 | 79 |
| Tadatsuna忠綱 | 1673-1717 | 53 |
| Kanesada包貞 | 1673-1682 | 78 |
| Kanesada包貞 | 1648-1652 | 10 |
| Kunisuke國助 | 1658-1663 | 10 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteNo cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).
This is a katana by Omi-no-kami Tadatsuna, also known as Ikkanshi Tadatsuna, from the Settsu province during the Middle Edo period (circa 1688). The blade features a vibrant Ashinaga-choji hamon and a Ko-itame jigane, showcasing the smith's exceptional skill. It comes with a red lacquered uchigatana koshirae and is accompanied by NBTHK Tokubetsu Hozon papers.
Certificate reading — 銘 粟田口近江守忠綱
NihontoWatchBETAmei · Kanei (1624-1644) · nagasa 61.1cm · sori 1.6cm
Shinto · Settsu · around 1661-1688
Tōken Taikan top 23%
3 pieces on the market now
Shinto · Settsu
73 pieces on the market now
Osaka in the early-to-mid Edo period was a merchant capital, a city of commerce and capital rather than a castle town tied to a single daimyo house, and the swordsmiths who gathered there worked for a wealthy townsman clientele as much as for warriors. The grouping known as Osaka Shinto (大坂新刀) took shape in Settsu from two feeder currents. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Shinkai真改 | 1649-1682 | 79 |
| Tadatsuna忠綱 | 1673-1717 | 53 |
| Kanesada包貞 | 1673-1682 | 78 |
| Kanesada包貞 | 1648-1652 | 10 |
| Kunisuke國助 | 1658-1663 | 10 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteNo cooling-off period or returns; refund only if the purchased sword is proven fake, capped at purchase price (excludes commission sales, accessories, auction items).
