The blade was polished.
Blade length : 18.9cm or 7.44 inches.
Sori : Uchizori
Mekugi : 2
Width at the hamachi : 1.43cm or 0.56 inches.
Kasane : 0.83 cm or 0.32 inches.
Era : Middle to Late Edo period.
Shape : The blade is shallow and thick mitumune style Tanto.
Jitetsu :Itame hada well grained with jinie attach and shirake utsuri appear.
Hamon : Niedeki suguha bright.
Special feature : From the shape of the blade and Utsuri appear and thick Yoroi do-shi style,
the blade must be Late Muromachi Meiou era.
The signature is mentioned Kin which looks like Tosa Yoshimitsu.
We can't guarantee NBTHK Hozon paper but the blade itself healthy without Kizu and flow nice Tanto.