The blade was polished.
Blade length : 38.0 cm or 14.96 inches.
Sori : 0.9 cm or 0.35 inches.
Mekugi : 2
Width at the hamachi : 3.05 cm or 1.20 inches.
Kasane : 0.56 cm or 0.22 inches.
Era : Early Edo period.
Shape : It is wide and thick shobu style shape wakizashi
Jitetsu : Koitame hada well grained with jinie attached.
Hamon : Nie structure gunome midare with many ups and downs.
There are sunagashi and ashi works.
Special feature : From the jigane and hamon,
it seems to be MIno province sword smith.
It is strong looking katana but the signature seems fake.