Shinto middle of Edo period (Shotoku era/circa 1711-) OwariLength of cutting edge 48.8cm Curvature 0.9cm Width of base 30.4mm Width of Yokote 21.9mm Thickness of base 6.9mm
NBTHK(Tokubetsu Hozon) certificate
with)Black lacquered Blue Pearl of Inaly Unryu Dragon Makie scabbard Wakizashi Koshiare
NBTHK(Tokubestu Hozon) Koshirae certificate