The blade need to polish.
Blade length : 60.8 cm or 23.93 inches.
Sori : 1.7 cm or 0.66 inches.
Mekugi : 2
Width at the hamachi : 2.59 cm or 1.01 inches.
Width at the Kissaki : 1.81 cm or 0.71 inches.
Kasane : 0.63 cm or 0.24 inches.
Era : Late Muromachi period.
Shape : Regular size katana with Sori. A little bit Suriage Machiokuri Katana.
Jigane : Ko-Itame Hada well grained with Jinie attach. Some part has Oohada.
Hamon : Nie Deki, Ko-Gunome Midare. Hamon of Boshi disappeared.
Special feature : There are many swordsmith who called Kunitsugu.
Rai, Uda, Mito and Mino school.
From the Nakago shape, this blade is Mino school.
There are some rusts and small Kizu. But the signature is genuine.
This blade also suitable for practice of polishing.