Katana in Koshirae
Signature: Osaki Yasumune Saku
Syowa 57th Tngo No Sekku.（May 5th seasonal festival, 1982）
In Japan. we celebrate for boys healthy and happiness and hope his success in the future.
(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:silver single habaki.
Blade length : 74.9 cm or 29.48 inches.
Sori : 2.0 cm or 0.78 inches.
Width at the hamachi : 3.34 cm or 1.31 inches.
Width at the Kissaki : 2.42 cm or 0.95 inches.
Kasane : 0.88 cm or 0.34 inches.
Weight of only blade: around 845 grams.
Weight of blade and Tsuka and Tsuba (without Saya): around 1170grams.
Era : Syowa 57. period.1982 May 5th.
Shape : The blade is wide and thick with suitable sori nice looking shape.
Jitetsu :Koitame had well grained with jinie attach.
Hamon : Niedeki gunome midair with long ash.
Boshi is round shape.
Special feature : Many swords was made in Yasukuni shrine between the war time from the pre-war.
The select of the sword smith was mainly made these swords for army officers.
And select only the good works of the sword.
Yasumune was born in Yamagata prefecture. His real name is Osaki Sigeharu.
He studied under Yaguwa Yasutake. This blade has Gunome Midare Hamon and many Ashi.
This blade looks like Seiryuken Moritoshi.
Historical background: at 1982 April 2nd, Argentina troop occupied
The Falkland Islands which was the territory of England but after that England have got a territory back.
Tsuba :Iron Tsuba.
Fuchikashira :silver ishimeji.
Saya : blue color saya.
Menuki : flower design.
Aoi Art estimation paper : whole Oshigata.