Koto End of Muromachi period (Tenbun era/circa 1532-) YamatoLength of cutting edge 31.6cm No curvature Width of base 26.9mm Thickness of base 5.6mm
NBTHK(Hozon) certificate
Koto Middle of Muromachi period (Bunmei 12/1480) BizenLength of cutting edge 25.9cm a bit on inward curve Width of base 23.3mm Thickness of base 9.8mm
Reported/printed in the book of [Nihon Toko Jiten]
reference item
