Rare Signed and Dated Bishu Osafune Yoshikage Nanbokucho Naginata With NBTHK Hozon Certificate

Rare Signed and Dated Bishu Osafune Yoshikage Nanbokucho Naginata made in 1389 mounted in Shirasaya

YOSHIKAGE (吉景), Ōei (応永, 1394-1428), Bizen – “Bishū Osafune Yoshikage” (備州長船吉景), son of Morikage
(守景), ko-midare