This is a Ko-akasaka tsuba from the early Edo period. It features a reed design (ashi) in sukashi (openwork) and is unsigned (mumei). The tsuba is made of iron and has a hammered texture. It comes with a kiri (paulownia wood) box and has Hozon certification.

Ko-Akasaka School
Kotō
Musashi
Unsigned
Hozon (NBTHK)
Iron-tsuba
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 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.
This is a Ko-akasaka tsuba from the early Edo period. It features a reed design (ashi) in sukashi (openwork) and is unsigned (mumei). The tsuba is made of iron and has a hammered texture. It comes with a kiri (paulownia wood) box and has Hozon certification.

Ko-Akasaka School
Kotō
Musashi
Unsigned
Hozon (NBTHK)
Iron-tsuba
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 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.