Shinto middle of Edo period (Tenmei era/about 230 years ago) Iyo
Length of cutting edge 52.8cm Curvature 1.3cm Width of base 28.7mm Width of Yokote 20.8mm Thickness of base 6.3mm
NBTHK(Tokubetsu Kicho) certificate
with) Black ro-iro style lacquered scabbard Wakizashi Koshirae