Mark with Japanese mark: 行年七十九才　堀江興成 "gyounen | #433260

行年七十九才　堀江興成 "gyounen nanajuichi sai Horie Okinari". This mark comes from a "kozuka", the hilt of a secondary knife that is often paired with a Japanese sword, and was designed by Okinari. Okinari worked as a "soukenkinkou" in the Nara line of the Horie house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.