Koto Early Muromachi period (Kansho era / circa 1460-) BizenLength of cutting edge : 58.4cm Curvature : 1.6cm Width of base : 29.4mm Width of Yokote : 19.5mm Thickness of base : 8.1mm
NBTHK(Tokubetsu Hozon) certificateNBTHK(Tokubetsu Kicho) certificate
with) Black Roiyo-style lacquered scabbard Koshirae
Shin-shinto the latter part of Edo period (Bunsei 7/1824) Bizen Length of cutting edge 32.4cm Curvature 0.6cm Width of base 30.7mm Thickness of base 8.7mm
NBTHK(TokubetsuHozon) certificate
with)Black Roiro lacquered scabbard Chi-sa katana Koshirae
NBTHK(Hozon) certificate for Kozuka/Kogai
Shin-shin-to the latter half Edo period (Bunsei 11/1828) HarimaLength of cutting edge 32.7cm Curvature 0.6cm Width of base 29.6mm Thickness of base 6.2mm
NBTHK(Tokubetsu Hozon) certificate
with) Black Roiro lacquered scabbard Chi'sa katana style Koshirae
Koto early Muromachi period (Shouchō 2/1429) BizenLength of cutting edge 34.2cm No Curvature Width of base 25.1mm Thickness of base 5.5mm
NBTHK (Tokubetsu Hozon) certificate
with) Tamenuri deep crimson lacquered scabbard Chisa-katana style koshirae
