The blade was polished.
Blade length : 65.9 cm or 25.94 inches.
Sori : 1.6 cm or 0.62 inches.
Mekugi : 3
Width at the hamachi : 2.64 cm or 1.03 inches.
Width at the Kissaki : 1.49 cm or 0.58 inches.
Kasane : 0.58 cm or 0.22 inches.
Era : Nanbokucyo period.
Shape : The blade is regular sized deep sori and long kissaki nice looking shape.
Bo-Hi is engraved both sides of the blade.
Jitetsu : Mokume had and item had mixed with jinie attach beautiful texture.
On the Ji, very clear Utsuri appear.
Hamon : Nioideki and Konie mixed with deep nioikuchi Cyoji midair and Komidare, gunome mixed up and down.
Boshi is double hamon hakikake style.
Special feature : The founder of the Iesuke started from Kamakura period under Hatakeyama school and continued to late Muromachi period.
This sword belonged to Nanbokucyo period from the shape and Jigane and also Hamon.
The blade has very clear Utsuri and fantastic Hamon and Jigane.
Unfortunately the condition of the Nakago is not good.
Probably some sword beginner touched the tang.
The sword itself high quality Jigane and Hamon especially beautiful Kinsuji.
Please enjoy the charm of blade.
NBTHK Hozon paper.
Aoi Art estimation paper : whole Oshigata.