Mark with Japanese mark: 雪峨刻 "Setsuga koku" | #433362

雪峨刻 "Setsuga koku". This mark comes from a "kozuka", the hilt of a secondary knife that is often paired with a Japanese sword, and was designed by Setsuga. Setsuga worked as a "soukenkinkou" in the Nara line of the Okada house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.