The blade was polished.
Habaki: wood single habaki.
Blade length : 23.03 cm or 9.06 inches.
Sori : No Sori
Mekugi : 1
Width at the hamachi : 2.0 cm or 0.78 inches.
Kasane : 0.63 cm or 0.24 inches.
Era : Late Muromachi period.
Shape : The blade is Moroha zukuri shape.
Jitetsu :Koitame had well grained
with jinie attach and thin Utsuri appear.
Hamon : Konie deck suguha and konotare mixed.
Boshi is hakikake style.
Special feature : Moroha zukuri style Tanto was a fashion of the late Muromachi period. This Tanto was made like this era.
Unfortunately the blade is unsigned but the blade itself nice item.
Aoi estimation paper.
Aoi Art estimatin paper : whole Oshigata.