Katana in Shirasaya, with Koshirae (NBTHK Hozon Paper)
The blade was polished
Habaki : Gold double foiled habaki.
Blade length : 65.3cm or 25.72 inches.
Sori : 2.1cm or 0.83inches.
Mekugi : 2
Width at the hamachi : 2.87cm or 1.13inches.
Width at the Kissaki : 2.03cm or 0.8inches.
Kasane : 0.71cm or 0.28inches.
Era : Early Muromachi Period.
Shape : Oosuriage mumei blade. There are hi in both sides. The mihaba and kasane is regular size.
Jitetsu : Itame hada well grained with jinie attached. The jitetsu is clearly seen. On the ji there are faint white utsuri seen.
Hamon : Nie base suguha with some hajimi(blurry ha) at some parts.
There is ashi and yo seen in the ha the boshi is round ended with
some brush up pattern at the top.
Special feature : The founder of the Kongo hyouei started from Kamakura period and continued to late Muromachi period at Kyusyu Dazaihu area near Kamado shrine.
The shinsa seems to be strict but the jitetsu is nice and the hada pattern is well seen.
The piece show the characteristic of Kongo Hyouei. The origin of kongou Hyouei school started from the Kamakura period and lasted until late Muromachi period.
They were successful at the Kamado Shrine at Dazaifu city, Kyushu and gradually moved to HIrato, Toyogo, and Kurume area.
Tsuba : Round shape iron tsuba with a design of plum engraved as open work. Made in middle of the Edo period.
Fuchikashira : Shakudou nanakoji style with man engraved and drawn in gold and bronze.
There is a signature of Mogarashi Nyuudou Souten Sei.
Saya : Black roiro saya
Menuki : A design of man engraved. Mogarashi school.
NBTHK Hozon Paper
Aoi Art estimation paper : whole Oshigata.