Koto Middle of Muromachi period (Meio era/circa 1491-) OwariLength of cutting edge 64.8cm Curvature 1.6cm Width of base 29.8mm Width of Yokote 19.8mm Thickness of base6.7mm
NBTHK(Tokubetsu Hozon) certificate
with) Gold-brocade Gentian-Mum-Dragons design scabbard Tachi style Koshirae