Tokugawa art

Shin-shin-to End of Edo period (Kaei 7/1854) Bushu
Length of cutting edge 38.8cm Curvature 0.7cm　Width of base 38.9mm Thickness of base 6.0mm

NBTHK(Tokubetsu Hozon) certificate

Shin-shin-to In the latter half of Edo period (Kansei 6/1794) Satsuma
Length of cutting edge 54.9cm Curvature 1.5cm Width of base 32.0mm Width of Yokote 24.4mm Thickness of base 7.5mm

NBTHK(Tokubetsu Hozon) certificate

Shinto Early Edo period (Kanbun era / circa 1661 -) Bushu
Length of cutting edge 37.8cm Curvature cm　Width of Base 34.2mm Thickness of Base7.3mm

reference item

Shinto Early Edo period (Kan'ei era/circa1624-) Echizen
Length of cutting edge 53.7cm Curvature 1.6cm Width of base 29.3mm Width of Yokote 20.0mm Thickness of base 6.0mm

NBTHK(Hozon) certificate  

Shirasaya (Sayagaki written by Dr. Sato kanzan in 1974)

Shinto Early Edo period (Shoho era circa 1644-47) Hizen
Length of cutting edge 35.4cm Curvature 0.8cm Width of base 29.5mm Thickness of base 6.2mm Width of Yokote 20.5mm

NBTHK(Hozon) certificate

Shin-shin-to in the late Edo period (9th year of Kansei /1797) Inaba
Length of cutting edge 37.2cm Curvature 0.7cm Width of base 31.6mm Width of Yokote 22.4mm Thickness of base 6.5mm

NBTHK(Hozon/Tokubetsu kicho) certificate