Katana : (Chikushi Ryokai) with Efudachi Koshirae
Katana in Shirasaya, with Efudachi Koshirae and in the box (NBTHK Tokubetsu Kicho Paper)
Signature : Mumei(Chikushi Ryokai)
Sayagaki translation of Kanzan sensei : Chikushi Ryokai has blade length of 2shaku 1sun 1bu han(63.93cm) Efudachi koshirae Showa MItoshi doshi Chisho lucky day Kanzan written.
Afudachi koshirae is one of the type of tachi goshirae that was originally been hold by the court bodyguard at Heian Period.
The blade was polished
Blade length : 63.93 cm or 25.16 inches.
Sori : 1.65 cm or 0.64 inches.
Mekugi : 2
Width at the hamachi : 2.62 cm or 1.03 inches.
Width at the Kissaki : 0.6 cm or 0.23 inches.
Kasane : 0.55 cm or 0.21 inches.
Era : Late Nanbokucho period to Ouei Period.
Shape : Oosuriage mumei with bohi engraved at both side.
It is nice curve and nice shape katana .
Jitetsu : Mokume hada with mixture of itame hada. Jinie is attached. The jigane is clear.
Hamon : Konie base suguha with Nezumiashi(feet)attached. Boushi is round end with partly cut.
Special feature : Chikushi Ryokai is the descendent of Ryokai school of Yamashiro.
At Nanbokucho period the school moved to Toyogo where smiths such as Hisanobu.
Because he was successful at Chikushi, Toyogo, he is called Chikushi Ryokai.
JIgane is mixture of mokume and itame mix.
Jinie is attached with thick with soft utsuri appearing.
From those characteristics, this sword could be observed as historical sword.
There are some swords with masame from mid Muromachi period.
This jigane is especially nice with great jigane.
It is historical blade that tells us it is Ryokai.
It is a sword that was cherished as family treasure for a long period of time.
Koshirae : Nishiki-tsutsumi Silver wrapped Efudachi Issaku koshirae Edo period.
Tsuba : Silver
Fuchikashira : Silver
Saya : A wood saya is wrapped with Japanese brocade
NBTHK Tokubetsu Kicho Paper
Aoi Art estimation paper : whole Oshigata.