Mark with Japanese mark: 竜叟法眼圖　清次造之 "Ryusou | #433190

竜叟法眼圖　清次造之 "Ryusou Hougen zu Kiyotsugu korewo tsukuru". 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 Kiyotsugu, who worked as a "soukenkinkou" in the Nara line of the Tanakatouryuusai house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.