Mark with Japanese mark: 壽良 "Hisayoshi" | #433142

壽良 "Hisayoshi". This mark comes from a "menuki", decorative ornaments that are found in the binding of a sword and used to help with grip. It was designed by Hisayoshi, who worked as a "soukenkinkou" in the Nara line of the Tsuchiya house. Soukenkinkou is the Japanese name for the makers of the accessories for bladed weapons.