The blade was polished.
Blade length : 21.15 cm or 8.32 inches.
Sori : 0 cm or 0 inches.
Mekugi : 2
Width at the hamachi : 2.66 cm or 1.04 inches.
Kasane : 0.62 cm or 0.24 inches.
Era : Late Edo period.
Shape : Wide shape Ken.
Jitetsu : Front side is Masame Hada well grained with Jinie attach.
The other side is Itame Hada with spiral pattern. There are many Chikei on both side.
Hamon : Nide Deki, The Hamon is mixture of Double Ha and triple Ha.
There are Sunagashi and Kinsuji. Boshi is Midare komi Hakikake style.
Special feature : Nakayama Yoshimichi is adoption of Ikkansai Yoshihiro.
He has versatiliy of artistic workmanship.
This blade is creative piece of work. He is skillful sword smith.
This blade is unsinged. We guess that he tried to make copy of Go Norishige.
NBTHK Hozon Paper
Aoi Art estimatin paper : whole Oshigata.