Koto End of Muromachi period (Eisho era/circa1504) Mino
Length of cutting edge68.7cm Curvature1.8cm Width of base32.5mm Thickness of base6.4mm Width of Yokote22.5mm
NBTHK(Tokubetsu Hozon) cetificate
Reported in 『Yumei Toko Taikan』
with) Black lacquered scabbard Peony/Leo Uchigatana Koshirae