Katana:Bizen Koku ju Osafune Sukesada
2017/01/03
Katana in Shirasaya (NBTHK Hozon Paper)
Signature:Bizen Koku ju Osafune Sukesada
Tensho 4nen 10gatuhi (1576, October)
Sue koto
The blade was polished.
Habaki : Brass single habaki.
Blade length : 66.8 cm or 26.29 inches.
Sori : 1.7 cm or 0.66 inches.
Mekugi:1
Width at the hamachi : 3.01 cm or 1.18 inches.
Width at the Kissaki : 2.2 cm or 0.86 inches.
Kasane : 0.73 cm or 0.28 inches.
Era : Muromachi period, Tensho era (1576).
Shape : The blade is rather wide and regular sized kasane with deep sori nice looking shape.
Jitetsu : Itame hada and Mokume hada mixed well grained with Jinie attach.On the Ji, there are some Utsuri appear.The blade has very small flow but not so bad.
Hamon : NIe-deki suguha based gnome midare mixed. In Ha there are Kinsen.
Special feature : Sukesada and Kiyomitsu were both working at late Muromachi period and made accountable swords also exported Japanese swords to China and Korea.
The best quality swords is called Chumonuchi sword (Daimyo class ordered special quality sword which were mentioned Zokumyo (real sword maker's name) and then upper class was called Bizen Koku like this sword and mass productive swords like Bishu Osafune .
This blade have Bizen koku mei and healthy, good looking shape.
The blade has very small flow but not so bad.
NBTHK Hozon Paper.
Aoi Art estimation paper : whole Oshigata.
Price : JPY 350,000-.
