The blade was polished.
Habaki: wood habaki.
Blade length : 70.1 cm or 27.59 inches.
Sori : 1.6 cm or 0.62 inches.
Width at the hamachi : 3.17 cm or 1.24 inches.
Width at the Kissaki : 2.14 cm or 0.84 inches.
Kasane : 0.66 cm or 0.25 inches.
Era : Edo period Kanbun era.
Shape : The blade is suriage and Machiokuri but the signature is mentioned whole signature and Uramei.
Jitetsu :Koitame had well grained with jinie attach.
Hamon : Niedeki gunome midair and Togari gunome midair mixed with jinie attach and sunagashi active hamon.
Boshi is round shape with togari point.
Special feature : The founder of the Nobutaka started from Keicho era and continued to 10th generations.
This sword belonged to 2nd generation if the blade is genuine.
But the signature is questionable because of the Yasurime and not mentioned as Zen Hakusyu Nobutaka Nyudo.
Nakago mune is Marumune which is right shape.
So at this time we don't guarantee the signature.
But the blade itself wide and thick healthy blade and active Hamon.
Aoi Art estimation paper : whole Oshigata.
(including shipping and 100% insurance fee)