Yari in Shirasaya
Signature: Mumei (unsigned)
Blade length : 26.7 cm or 10.51 inches.
Width at the Hamachi : 2.40 cm or 0.94 inches.
Kasane : 1.09 cm or 0.42 inches.
Era : Late Muromachi period.
Shape : This blade is rather long Sankaku-Yari
Jitetsu : Itame hada well grained with Jinie attach, and Masa nagare.
Hamon : Noideki style Ko-gunome midare and Togari-ba are mixed.
And there is Muneyaki.
And backside is also Ko-gunome midare.
Special feature : This Yari has long Kerakubi, therefore this blade was made in late Muromachi period.
I think this blade is around Sue-Zeki blade.
This blade has a few small rusts, but other parts is healthy.
Aoi Art estimation paper : whole Oshigata.