Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku. This work is ranked as Jyo Saku for Gassan Sadakazu. Features: Gassan Sadakazu was the adopted son of Gassan Sadakichi. In 1851, at the age of 16, he began to forge swords and demonstrated his remarkable talent. He continued to make swords even after the sword prohibition ordinance, and was appointed as an Imperial Artist, which was the highest honor at that time. He died in 1918 at the age of 84. He specialized in Ayasugi hada, which is a regular series of masa flows like waves, and is also known as a master of sword carving. NBTHK Tokubetsu Hozon Token AoiArt estimation paper Whole Oshigata
Certificate reading — 銘 月山貞一(刻印)
Offered by Aoi Art
7 on the market






As written by the shop
Shinshinto · Settsu · around 1864-1865
Fujishiro Jo saku · Tōken Taikan top 23%
7 pieces on the market now
Where Sadakazu 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.
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Shinshinto · Settsu
27 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 |
Bakumatsu: the last war market
Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
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 siteIf you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.
¥1,200,000