AS21504-Wakizashi: Mumei(Rai Kuniyasu)

Wakizashi in Shirasaya with Koshirae.(NBTHK Tokubetsu Hozon Token)
Signature: Mumei(Rai Kuniyasu)
無銘（来国安）　　　　　　

AOI Bijyutasu Syosin Kanteisyo NBTHK Tokubetsu Hozon Token
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku Jyo saku and regular saku)
This sword belongs to Jyo-jyo Saku ranking.
The blade was polished.
Habaki :　Copper single habaki.
Blade length: 31.7cm or 12.48inches.
Sori: 0.6cm or 0.23inches.
Mekugi:1
Width at the hamachi: 2.74 cm or 1.07inches.
Kasane : 0.6 cm or 0.23inches.
The weight of the sword:290grams.
Era:Late Kamakura period
Shape:Osuriage-Mumei, which is made from long sword and lost it Mei by Suriage. It used to be a Nagamaki.
Jigane:Itame-hada flows, Jinie attached, Chikei works, looks blackish and gets Hadadachi.
Hamon:Koniedeki, Choji-midare mixed with Ko-Gunome-midare and Ha works very well at Koashi. Boshi is elaborate Midarekomi.

Special feature:Osuriage-Mumei by Nagamaki, very firm. Rai Kuniyasu located himself mainly in Yamashiro, and we can see the characteristics of Rai school. Rai Kuniyasu moved to Echizen and founded Chiyozuru school.

Koshirae :
Tsuba: Mokko-shaped Shakudo-Nanako Tsuba, lines are engraved on the back, the rim is covered by Shakudo.
Fuchikashira: Iron plate, Kashira forms spirals in the same way as Kojiri.
Saya: Made of wood.
Menuki: Copperplate, family crest is engraved with gold color.
Kojiri: Iron plate, the back forms spirals.

From Aoi Art: Very firm Osuriage-Mumei by Rai Kuniyasu compatible with chic wooden Saya and Koshirae which has iron set fittings. This is not so gorgeous but has a great atmosphere.

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