This blade was signed by Bishu Osafune Sukesada (備州長船祐定). Bishu, also known as Bizen, is the name of the province located in Today’s Okayama prefecture. Osafune is one of the most prosperous schools in this province during the Muromachi period. Sukesada is his maker’s name.  Bizen Sukesada was a group of swordsmith, who worked actively at Bizen province at the end of Muromachi period (1333 - 1573).
Length of the blade: 60.6cm.
Registered in 1951.
Come with Shirasaya