Mark with Japanese Mark: 玉川吉永 "Tamakawa | #458297

玉川吉永 "Tamakawa yoshinaga". This mark is from a fuchi and was made by Yoshinaga, who worked as a sword engraver (soukenkinkou) in Hitachi Province (present-day Ibaraki Prefecture) for the Tamakawa house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons. A fuchi is a ferrule that is placed between the tsuba and a sword's hilt.