Mark with Japanese Mark: 赤城軒　泰山元春 "Sekijoken | #458237

赤城軒　泰山元春 "Sekijoken Oyama Motoharu". This mark is from a fuchi and was made by Motoharu, who worked as a sword engraver (soukenkinkou) in Hitachi Province (present-day Ibaraki 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.