Mark with Japanese Mark: 信古堂 "Shinkodou" | #458107

信古堂 "Shinkodou". This mark is from a tsuba and was made by Mitsutoki, 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 tsuba is a sword guard designed to protect the hand from contact with the blade. It also balances the weight of the sword.