Mark with Japanese mark: 久則 "Hisanori" | #433241

久則 "Hisanori". This mark comes from a "tsuba", a sword guard designed to protect the hand from contact with the blade and an opposing sword. It was made by Hisanori, who worked as a "soukenkinkou" in the Nara line of the Chizuka house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.