The blade was polished.
Blade length : 18.6 cm or 7.32 inches.
Sori : 0 cm or 0 inches.
Mekugi : 2
Width at the hamachi : 2.61 cm or 1.02 inches.
Kasane : 0.85 cm or 0.33 inches.
Era : Late Edo period.
Shape : Thick likes Yoroidoshi Tanto.
Jitetsu : Itame Hada well grained with Jinie attach
and visible to see the texture.
Hamon : Unrecognizable.
Special feature : At a glance, the Jigane looks old, around Muromachi period.
But unfortunately the Hamon is not shown.