SIGNED BISHU OSAFUNE MASAMITSU, MEITOKU 2ND 8-GATSU (1391), NAMBOKUCHO PERIOD

Masamitsu was one of the sons of Kanemitsu, active over half a century from the Embun era (1356-1394). Although there were probably two generations, the signatures vary little, although the date indicates that this blade is by the second generation.