The blade was polished.
Blade length : 70.7 cm or 27.83 inches.
Sori : 2 cm or 0.79 inches.
Mekugi : 2
Width at the hamachi : 2.84 cm or 1.19 inches.
Width at the Kissaki : 2.24 cm or 0.88 inches.
Kasane : 0.64 cm or 0.25 inches.
Era : Muromachi period circa Ouei
Shape : It is wide and thick with deep sori. It is nice shape katana.
Jitetsu : Itame hada well grained with jinie attached. There are clear utsuri seen.
Hamon : Nioi base with mixture of konie. Gunome shoji style. Boushi is notare loose round end.
Special feature : At first glance, it could be observed as Omiya sword but there are more to study for this blade.
It could be as old as Ouei period of Omiya school.
The middle of this katan, it has a glory flaw.
There are little fukure like kizu around the monouchi area.
It is very clear and bright katana.
Aoi Art estimation paper : whole Oshigata.
Price : 270,000 JPY- (including shipping and 100% insurance fee)