Mark with Japanese Mark: 岩沢了意 "Gansawa Ryoui" | #458043

岩沢了意 "Gansawa Ryoui". This mark is from a kozuka, which is the hilt of a small, secondary knife. It was made by Ryoui, who worked as a sword engraver (soukenkinkou) in Mutsu Province (present-day Fukushima Prefecture). Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.