Muromachi turned sword making into an industry: the uchigatana rose with massed infantry warfare, Osafune and Seki produced bundle swords beside custom orders, and the Ming trade carried Japanese blades abroad by the tens of thousands.
This is a Ryo-shinogi Sugu-yari (double-ridged straight spear) signed by Kanefusa, a prominent smith of the Mino school during the Eiroku era (late Muromachi period). It features a wide blade with a robust construction, including a fine horimono with red lacquer for warding off evil. The spear comes with a decorative cha tataki nuri saya koshirae and a shirasaya, and is accompanied by an NBTHK Hozon certificate.
Offered by Choshuya









Mino · around 1504-1521
Tōken Taikan top 49%
2 pieces on the market now
The Muromachi period (1392 to 1573)
Muromachi turned sword making into an industry: the uchigatana rose with massed infantry warfare, Osafune and Seki produced bundle swords beside custom orders, and the Ming trade carried Japanese blades abroad by the tens of thousands.
Certifies a genuine blade worth preserving: a signature confirmed correct, or, if unsigned, an era, province, and school that the NBTHK can reliably identify.
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, due to our fault, the item differs significantly from its proper condition, the item may be returned. Cooling-off is within one week of the item's arrival.