An koto tanto in aikuchi koshirae
Probably 16th century
The blade of unokubi form, narrow sugu-ha of nioi, itame-hada with bonji horimono, the nakago with two mekugi-ana, unsigned; the ribbed saya of nashiji and wakasa-nuri; plain silver ribbed kozuka and kogai. The blade 16½cm (6½in) long.
FOOTNOTES
短刀　無銘　附　若狭塗鞘合口短刀拵　16世紀頃