19th century or earlier, comprising a blade with wavy temper line; the habaki appears to be silver over copper, 20 7/8 in. L, 1 in. D at the hilt, the tang appears to be unmarked, 5 5/8 in. L. The handle with gold-inlaid shakudo mounts, 6 3/4 in. L. The tsuba of forged copper, with insects and foliage in gold and other metals. Scabbard with metal mounts matching the handle's, the wood covered with black lacquer scattered with raden mother of pearl flecks, with a textured finish, 22 3/8 in. L. The kotsuka with inscribed blade and shakudo handle matching the rest, 8 1/2 in. L

The kotsuka handle is rather worn