Katana in Shirasaya NBTHK Hozon paper
The blade was polished .
Blade length : 64.4 cm or 25.3 inches.
Sori : 1.9 cm or 0.74 inches.
Width at the hamachi : 2.84 cm or 1.11 inches.
Wide at the Kissaki : 1.83 cm or 0.72 inches.
Kasane : 0.68 cm or 0.26 inches.
Era : Late Kamakura to Nanbokucyo period.
Shape : The blade is regular sized with nice Sori and cut shortened which is called
Jitetsu :Itame hada well grained with Jinie attach and blackish jigane.
On the Ji, there are Chikei work.
Hamon : Niedeki basic tone and Gunome midare and also Tobiyaki work.
The Hamon is wild and activity temper line.
In the Hamon, there are many Sunagashi and Kinsuji work.
Special feature : The Uda school is said to have originated in Yamato province. The founder Kunimitsu moved to Ettyu province in the last Kamakura period.
This blade was cut syortend.
NBTHK Hozon paper : Aoi Art estimatin paper : whole Oshigata.