Mark with Japanese mark: 正則 "Masanori" | #433219

正則 "Masanori". This mark comes from a "kozuka", the hilt of a secondary knife that is often paired with a Japanese sword, and was designed by Masanori. Masanori worked as a "soukenkinkou" in the Nara line of the Murakami house. Soukenkinkou is the Japanese name for metalworkers who design accessories for bladed weapons.