Blade length : 30.4 cm or 11.96 inches.
Sori : 0 cm or 0 inches.
Width at the hamachi : 2.67 cm or 1.05 inches.
Kasane : 1.04 cm or 0.40 inches.
Era : Edo period Kanbun era.
Shape : The blade looks like Ken style nice looking shape.
Jitetsu :Itame had well grained with jinie attach masanagare.
Hamon : Niedeki suguha Nijyu ba Hamon and Ashi, Yo work.
Special feature : Higo no kami Kuniyasu is 2nd brother of 2nd Kawachi Kami Kunisuke.
He generally make Kobushi Cyoji midair hamon.
But this blade is suguha with double hamon.
It means Yari must be suguha hamon is the best because of keeping strengths.
The Kuniyasu is oo wazamono cutting test ranking.
The blade is healthy and nice work and unusual shape.
NBTHK Hozon Paper
Aoi Art estimation paper : whole Oshigata.