Mark with Japanese Mark: 行年六十八才　飛田美道作 "Gyounen | #665319

行年六十八才　飛田美道作 "Gyounen rokujuuhassai Tobita Yoshimichi saku". This mark is from a kozuka, which is the hilt of a small, secondary knife. It was made by Yoshimichi, who worked as a sword engraver (soukenkinkou) in Hitachi Province (present-day Ibaraki Prefecture) for the Tobita house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.