Mark with Japanese Mark: 宜 "Yoshi" | #458159

水戸住 通寿作 Mito ju Michitoshi saku. This mark is from a fuchi and was made by Michitoshi, who worked as a sword engraver (soukenkinkou) in Dewa Province (present-day Fukushima Prefecture). 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.