Mark with Japanese Mark: 詰然居光中 "Kitsuzenkyo | #458117

詰然居光中 "Kitsuzenkyo Mitsunaka". This mark is from a kozuka, which is the hilt of a small, secondary knife. It was made by Mitsunaka, who worked as a sword engraver (soukenkinkou) in Dewa Province (present-day Yamagata Prefecture). Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.