The blade was polished.
Blade length :49 cm or 19.29 inches.
Sori : 1.6cm or 0.62 inches.
Width at the hamachi :2.72 cm or 1.07 inches.
Width at the Kissaki : 2.0 cm or 0.78 inches.
Kasane : 0.56 cm or 0.22 inches.
Era :Late Muromachi period.Eisyo era. 1504.
Shape : The blade is regular size with deep sori long kissaki.
Jitetsu :Itame had well grained with jinie attach blackish texture.
There are small kizu but not serious.
Hamon : Niedeki gunome midair with sunagashi and small kinsuji work.
Boshi is midarekomi style.
Special feature : There are many Munehisa in Muromachi period.
I think this Munehisa is Eccyu province Uda school.
Even though small kizu but not serious which has passed more than 500 years ago.
The signature is left on the tang.