The blade was polished.
Blade length : 64.5 cm or 25.39 inches.
Sori : 1.0 cm or 0.39 inches.
Mekugi : 1
Width at the hamachi : 2.93 cm or 1.15 inches.
Width at the Kissaki : 2.13 cm or 0.83 inches.
Kasane : 0.73 cm or 0.28 inches.
Era : Showa period.
Shape : Wide and thick blade.
Jitetsu : Ko-Itame Hada well grained. Muji fu.
Hamon : Nie Deki Ko-Gunome Midare. In Ha, there are Sunagashi and Kinsuji.
Special feature : Masayasu was a member of army sword maker which was ordered by Japanese army.
His real name is Mano Masayasu.
He worked in Aichi prefecture. This blade is wide and thick.
Tsuba : Round shape iron Tsuba, landscape is engraved.
Fuchikashira : Shibuichi plate, Shishi dog is engraved with gold color.
Saya : Black Roiro Saya.
Menuki : Shakudo, tiger is engraved.