Koto Early Muromachi period (Kansho era / circa 1460-) BizenLength of cutting edge : 58.4cm Curvature : 1.6cm Width of base : 29.4mm Width of Yokote : 19.5mm Thickness of base : 8.1mm
NBTHK(Tokubetsu Hozon) certificateNBTHK(Tokubetsu Kicho) certificate
with) Black Roiyo-style lacquered scabbard Koshirae