Mark with Japanese mark: 壽良 "Hisayoshi" | #433141

壽良 "Hisayoshi". This mark comes from a "fuchi", a sword ferrule in the shape of a cap or ring, and was made by Hisayoshi. Hisayoshi 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.