This is a mumei kogai attributed to Ko-kinko, featuring a poppy design. It dates from the late Muromachi to Momoyama period and is accompanied by an NBTHK Hozon Tosogu certificate. The piece showcases the rustic and powerful aesthetic characteristic of Ko-kinko works, utilizing yamagane (copper alloy) and intricate high-relief carving to depict the life cycle of poppies.
Offered by Toushin






Muromachi
Unsigned
Hozon (NBTHK)
Certifies a genuine fitting worth preserving: a correct signature, or, if unsigned, an identifiable era and school, with recognized artistic and craft 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 siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.
¥242,000