Previous answer is
Mumei(unsigned) atttributed as Kanenaga.

Special feature : Kanenaga was a student of Chogi and only few swords has his signature remaining.
The blade has stronger Nie and wild feeling than his master Chogi.
This sword was polished by Sashikomo style so it is easy to see the texture and Utsuri and also inside of the Hamon.
The blade has wonderful texture with Utsuri and also active Hamon without any Kizu or flaw.
I think This sword is one of the top ranking Kanenaga.

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Appraisal Quiz #402 (August 27th, 2016)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 54.24cm or 21.35　inches
Sori :1.2 cm or 0.47　inches.
Mekugi : 1
Width at the Hamachi : 2.98 or 1.17 inches.
Width at the Kissaki : 2.26 cm or 0.89　inches.
Kasane : 0.71cm or 0.28 inches.
Shape : The blade is rather long and wide and also thick healthy blade and long　Kissaki nice looking shape.
Jigane :Itame hada well grained with jinie attach and chikei work beautiful texture.
Hamon :Niedeki gunome midare with Aranie Doranba style. In hamon, there are many sunagashi and Kinsuji scatter. Boshi is wide round　shape hakikake style.

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