Ordering number : 17327
Katana in Shirasaya(NBTHK Tokubetsu Hozon Paper)
Signature : Mumei(Den Rai Kunitoshi)
Koto: Saijo Saku: Owazamono: Yamashiro province.
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Saijyo saku ranking.
The blade was polished.
Blade length : 61.4 cm or 24.17 inches.
Sori : 1.0 cm or 0.39 inches.
Mekugi : 2
Width at the hamachi : 2.82 cm or 1.11 inches.
Width at the Kissaki : 1.75 cm or 0.68 inches.
Kasane : 0.62 cm or 0.24 inches.
Era : Kamakura period around Shoan era(1299-1302).
Shape : Osuriage Mumei Katana. Regular width and thickness.
The Kissaki is long.
Jigane : Ko-Itame Hada well grained with Jinie attach.
There are Utsuri.
Hamon : Nie Deki, Suguha with many Ashi and Yo.
There are double Hamon. Boshi is round shape, Yakizume style.
Special feature: Rai Kunitoshi, he was said to be Rai Kuniyuki’s son.
There are 2 characters Kanji “Kuni Toshi” and 3 characters Kanji “Rai Kuni Toshi”. There is also a theory that they were the same person.
Their activity period is for 40 years. According to that,
it is quite possible to make sword alone.
However, there is a sllightly differance between the two.
This blade is Osuriage Mumei. The Jigane is so nice.
And also there are clear Utsuri and a lot of activity in the Ha.
From Aoi Art: Rai Kunitoshi’s blade is almost Suguha Hamon.
He is held in high repute. This blade is Suguha Hamon with Ashi and Yo.
The Hamon is double Ha. In Ha, there are Sunagashi and Kinsuji.
There are a lot of good points in this blade.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper : whole Oshigata.