Mark with Japanese Mark: 在哉 "Arichika" | #458099

在哉 "Arichika". This mark is from a fuchi and was made by Arichika, who worked as a sword engraver (soukenkinkou) in Dewa Province (present-day Yamagata 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.