This is a tsuba by Shoami Shigehiro, an artisan of the Akita Shoami school during the mid-Edo period (Genroku-Kyoho era). The tsuba features a unique design depicting a waterwheel and a powerful, turbulent river flow, crafted from iron with sukibori openwork, gold nunome-zogan, and a peony-patterned gold fukurin. It comes with an NBTHK Tokubetsu Hozon Tosogu certificate, issued in February 2026.
NihontoWatchBETA
Yoshioka Shigehiro
Edo
Dewano Kuni
Signed
Tokuho (NBTHK)
Iebori · Dewa · around 1670
Where Shigehiro 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.
Iebori
15 pieces on the market now
The Yoshioka family (Yoshioka-ke) was an authoritative lineage of metalworkers retained by the Tokugawa shogunate, granted a stipend of one hundred hyo (bales of rice) and rations for ten persons. The house was founded by the first-generation master Shigetsugu, who was summoned into service by Tokugawa Ieyasu during the Keicho era (1596--1615), and it flourished continuously through nine generations down to Shigesada at the close of the shogunate. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Inaba no Suke因幡介 | 1670 | 6 |
| Terutsugu照次 | 1670 | 2 |
| Shigesada重貞 | — | 0 |
| Kiyotsugu清次 | — | 0 |
| Morotsugu師次 | — | 0 |
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
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 siteDomestic: items may be returned within 7 days in original condition for a full refund (buyer covers transport). Overseas orders: no-refunds, no-returns.
This is a tsuba by Shoami Shigehiro, an artisan of the Akita Shoami school during the mid-Edo period (Genroku-Kyoho era). The tsuba features a unique design depicting a waterwheel and a powerful, turbulent river flow, crafted from iron with sukibori openwork, gold nunome-zogan, and a peony-patterned gold fukurin. It comes with an NBTHK Tokubetsu Hozon Tosogu certificate, issued in February 2026.
NihontoWatchBETAYoshioka Shigehiro
Edo
Dewano Kuni
Signed
Tokuho (NBTHK)
Iebori · Dewa · around 1670
Where Shigehiro 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.
Iebori
15 pieces on the market now
The Yoshioka family (Yoshioka-ke) was an authoritative lineage of metalworkers retained by the Tokugawa shogunate, granted a stipend of one hundred hyo (bales of rice) and rations for ten persons. The house was founded by the first-generation master Shigetsugu, who was summoned into service by Tokugawa Ieyasu during the Keicho era (1596--1615), and it flourished continuously through nine generations down to Shigesada at the close of the shogunate. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Inaba no Suke因幡介 | 1670 | 6 |
| Terutsugu照次 | 1670 | 2 |
| Shigesada重貞 | — | 0 |
| Kiyotsugu清次 | — | 0 |
| Morotsugu師次 | — | 0 |
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
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 siteDomestic: items may be returned within 7 days in original condition for a full refund (buyer covers transport). Overseas orders: no-refunds, no-returns.
