Mark with Japanese Mark: 峯龍堂　勝茂 "Houryuken | #458432

峯龍堂　勝茂 "Houryuken Katsushige". This mark is from a fuchi and was made by Katsushige, who worked as a sword engraver (soukenkinkou) in Hitachi Province (present-day Ibaraki Prefecture) for the Kurosawa 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.