Wakizashi in Shirasaya
Signature: Tanba Kami Yoshimichi
(not reliable signature: probably Kodai Harima Daijyo Shigetaka)
The blade was polished.
habaki:solver single foiled habaki.
Blade length : 52cm or 20.47 inches.
Sori : 1.1cm or 0.43inches.
Width at the hamachi : 2.93cm or 1.15 inches.
Width at the Kissaki :2.04 cm or 0.8 inches.
Kasane : 0.6 cm or 0.236 inches.
Weight of only blade:520gram.
Era : Edo period Kanbun era.
Shape : The blade is rather wide and healthy blade with small sori Kanbun style.
Jitetsu :Itame had well grained with jinie attach.
Hamon : Niedeki gunome midair with sunagashi and round style Boshi.
Special feature : The signature is mentioned as Gimei(fake)
but the blade it self nice Jigane and Hamon.
If remove the signature, the blade will pass NBTHK Hozon paper.
I think the blade must be Echizen provence like Kodai harima daijyo Shigetaka.
Aoi Art estimation paper : whole Oshigata.