Mark with Japanese mark: 清寿 "Seiju" | #433106

Mark with Japanese mark: 清寿 "Seiju" | #433106
清寿 "Seiju". This mark comes from a "kozuka", the hilt of a secondary knife that is often paired with a Japanese sword, and was designed by Seiju. Seiju worked as a "soukenkinkou" in the Nara line of the Kawano house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.