Mark with Japanese mark: 伊藤正美 "Ito Masayoshi" | #433442

伊藤正美 "Ito Masayoshi". This mark comes from a "tsuba", a sword guard designed to protect the hand from contact with the blade and an opposing sword. It was made by Masayoshi, who worked as a "soukenkinkou" in the Nara line of the Ito house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.