Mark with Japanese mark: 竜翁法眼 "Ryuou Hougen" | #433111

Mark with Japanese mark: 竜翁法眼 "Ryuou Hougen" | #433111
竜翁法眼 "Ryuou Hougen". This is the mark of Seiju, who 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.