Mark with Japanese Mark: 丙寅冬十月上浣為　金渓雅契　愛竹醇刀 | #458044

丙寅冬十月上浣為　金渓雅契　愛竹醇刀 "hinoetora fuyu jugatsu joukan ni nasu kinkei gakei Aichiku juntou". This mark is from a tsuba and was made by Aichiku, who worked as a sword engraver (soukenkinkou) in Mutsu Province (present-day Fukushima 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.