Mark with Japanese mark: 堀江興久 "Horie Okihisa" | #433263

堀江興久 "Horie Okihisa". This mark comes from a "kozuka", the hilt of a secondary knife that is often paired with a Japanese sword, and was designed by Okihisa. Okihisa 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.