Katana in Shirasaya, with Koshirae. (NBTHK Tokubetsu Hozon Token)
Signature : Bizen koku Jyu Osafune Shiro Zaemon Jyo Norimitsu
Tennmon 2 nenn 8gatsu hi(August, 1533)
Sue Koto : Jyosaku : Wazamono : Bizen
The blade was polished
Habaki : Gold single foiled habaki
Blade length : 66.96 cm or 26.36 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi : 1
Width at the hamachi : 3.02 cm or 1.18 inches.
Width at the Kissaki : 1.96 cm or 0.77 inches.
Kasane : 0.62 cm or 0.24 inches.
Era : Muromachi period circa Tenmon （1532-1555）
Shape : It is normal width and thickness with slight sori.
There are double hi at both side of the blade. It is in elegant shape.
Jitetsu : Koitame hada well grained with mixture of mokume. Jinie is well attached and there are chikei works seen.
The utsuri is clearly seen.
Hamon : Nioi base with mixture of choji midare. There are active ash and yo activity.
There are also fine sunagashi and kinsuji works. Boshi is midare(undulating) style.
Special feature : Niromitsu group of Bizen Koku jyu Osafune Shiro Zaemon Norimitsu has started from Ouan(1368-1374) era of Muromachi period and lasted until 8th generation.
This Norimitsu has secular name engraved which is very rare. Koitame hada
well grained and there are utsuri seen at the ji. Hamon is choji midare style and the boshi is midare komi style. It is wonderful piece with double hi seen at both side of the sword. There are no kizu. We recommend this sword for Bizento lovers.
Tsuba : Round shape shakudou base with water fall and Chinese philosopher engraved and inlayed with gold.
Fuchikashira : Granulated shakudo base with ox carriage and full bloom cherry blossom engraved and inlayed with gold.
Saya : Limpet shell sparkled saya
Menuki : Shakudo base with a design of a man on a horse fighting in the wave. It is inlayed with gold.
Kozuka : Granulated shakudo base with duck design engraved and inlayed with gold.
NBTHK Tokubetsu Hozon Token
Aoi Art estimation paper : whole Oshigata.