Mark with Japanese Mark: 美精 "Yoshikiyo" | #458315

美精 "Yoshikiyo". This mark is from a fuchi and was made by Yoshikiyo, 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.