AS20479-Wakizashi: Ki Kuni Yasutsuna.

Wakizashi in Shirasaya(NBTHK Tokubetsu Hozon Token)
Signature : Ki Kuni Yasutsuna.紀伊国康綱

(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku
and regular saku)
Fujishiro To-Ko jiten: shinto: Chu saku: Kii province.
This sword belongs to Jyo Jyo Saku ranking.
The blade was polished.
Habaki : Shakudo Ganseki habaki.(rock shape habaki)
Blade length : 54.24 cm or 21.241inches.
Sori : 1.06 cm or 0.277 inches.
Mekugi : 1
Width at the hamachi:3.16 cm or 1.244 inches.
Width at the Kissaki: 2.35 cm or 0925 inches.
Kasane :0.72 cm or 0.283 inches.
The weight of the sword 640 grams.
Era : Edo period kanbun era.
Shape: The blade is rather wide and thick with suitable sori healthy blade.
Jigane: Itame hada well grained with jinie attach Hadatachi jigane .
ShingiJi: Itame hada and mokume hada mixed and masanagare.
Hamon: Nie Deki Suguha from the Hamachi, and then, Gunome Midare Hamon up and down Tobiyaki Bo-shi is twist and round shape, Yakisage style.

Special feature:He was a student of Bicyu Kami Yasuhiro and was called Kii Sekido
school. His teacher BIcyu Kami Yasuhiro made Bizen-den as Kisyu Sekido. He makes
other works, but Kii Kuni Yasuhiro also makes similar blade patterns.

From Aoi Art: Kii Kuni Yasutsuna of this work is solid and healthy work and is heavy and splendid Jigana and Hamon.
I recommend this sword fro you.

NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper: whole Oshigata.