Ordering number: 16280
Wakizashi in Shirasaya(Shirasaya has the engraving of a dragon with lacquer) (NBTHK Hozon Paper)
Signature: Naminohira Yasumasa
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo saku ranking.
The blade was polished.
Habaki : single silver Habaki.
Blade length: 39.4 cm or 15.51 inches.
Sori : 0.4 cm or 0.15 inches.
Mekugi : 1
Width at the hamachi : 3.04 cm or 1.19 inches.
Kasane : 0.62 cm or 0.24 inches.
Era : Edo period, around Kyoho era(1716).
Shape : Hirauchi long Wakizashi. There are Bo-Hi on both side.
Jigane : Ko-Itame Hada well grained. It looks like Muji, soft Jigane.
There are light rusts around the Kissaki part.
Hamon : Ko-Nie Deki, Notare and Ko-Gunome Midare.
Boshi is Togari gokoro.
Special feature: Naminohira Yasumasa is a swordsmith of Kyushu Satsuma province.
He changed the name as Yasuhiro later on.
He succeeded to Ippei Yasuyo(Shinto)’s skill. His blade has soft Jigane.
Almost his Hamon is Niedeki, Suguha base Hamon with thick Nioikuchi.
This blade is typical of his work and healthy.
Shirasaya has the engraving of dragon with lacquer.
NBTHK Hozon paper.
Aoi Art estimation paper: whole Oshigata.