This is a fuchi kashira featuring lions carved with undercutting and gold inlay. The ground is a fine vertical fish-roe pattern. It is attributed to Ko-Kinko (old metalworkers) and has a special preservation certificate.
Certificate reading — 無銘(古金工)
mumei · Ko-Kinko · Momoyama













Ko-Kinko
Momoyama
Unsigned
Tokuho (NBTHK)
Kinko
The term Ko-kinkō (古金工) denotes a collective category of metalworkers whose lineages extend from archaic times and continue through the Momoyama period, representing traditions that predate the formalized schools of the Edo period. Rather than constituting a single unified workshop, this attribution encompasses multiple regional traditions that shared certain technical and aesthetic principles while maintaining distinct local characteristics. Learn more →
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 fuchi kashira featuring lions carved with undercutting and gold inlay. The ground is a fine vertical fish-roe pattern. It is attributed to Ko-Kinko (old metalworkers) and has a special preservation certificate.
Certificate reading — 無銘(古金工)
mumei · Ko-Kinko · Momoyama













Ko-Kinko
Momoyama
Unsigned
Tokuho (NBTHK)
Kinko
The term Ko-kinkō (古金工) denotes a collective category of metalworkers whose lineages extend from archaic times and continue through the Momoyama period, representing traditions that predate the formalized schools of the Edo period. Rather than constituting a single unified workshop, this attribution encompasses multiple regional traditions that shared certain technical and aesthetic principles while maintaining distinct local characteristics. Learn more →
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.