Katana : Bizen no kuni Osafune Sukesada/Genko 3 Nen ? Gatsu
Katana in Koshirae. (NBTHK Tokubetsu Kicho paper) (Gurantee : NBTHK Hozon paper)
Signature : Bizen no kuni Osafune Sukesada
Genko 3 Nen ? Gatsu
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku, Jyo saku and regular saku)
This sword belongs to ranking.
The blade was polished.
Habaki : Gold foiled single and copper, on the copper wave is engraved.
Blade length : 70.8 cm or 27.87 inches.
Sori : 2.2 cm or 0.86 inches.
Mekugi : 2
Width at the hamachi : 3.14 cm or 1.23 inches.
Width at the Kissaki : 2.41 cm or 0.94 inches.
Kasane : 0.76 cm or 0.29 inches.
Era : Late Muromachi period Genki era 1570-1573
Shape : The blade is small suriage and Machioukuri wide and thick with rather deep Sori and longer kissaki nice looking shape.
Jigane : Itame hada and mokume hada mixed with jinie attach well grained Jigane.
Hamon : Niedeki suguha with a lot of activities in Ha by ashi, yo, sunaagshi.
Boshi is midarekomi kaen style and long yakisage style.
special feature : Harima, Mimasaka and Bizen province had been prospered under the protection of the Akamatsu family.
Above all, Bizen province has turned out a great many talented swordsmiths.
A large number of swords were made there in the late Muromachi period not only supplying the demand of the Age of Provincial Wars in Japan but also as an important exporting item to the Ming dynasty in China.
It is the accepted theory that the sword made with mass-product process has the signature begins Bishu-Osafune.
Contrary made to order or conscientiously made sword has the signature begins Bizen Koku Ju Osafune.
This blade is small suriage and Machiokuri but the blade is healthy and good Jigane and Hamon.
Saya : Black roiro saya.
Tsuba : Iron tsuba whick looks like Akasaka school. Late Edo period.
Menuki : A flower ? is engraved with gold color.
Fuchi : Some design is engraved by syakudo plate.
Kashira : Syakudo plain plate.
NBTHK Tokubetsu Kicyo (Guarantee : NBTHK Hozon Token)
Aoi Art estimation paper : whole Oshigata.