Previous answer is
Mumei (Masamitsu)

Special feature : Masamitsu started from Nanbokucho period　at Bizen province.
He studied under Kanemistu.
This sword is elegant Jikane and nice Utsuri.
The blade is healthy without Kizu and flow.

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Appraisal Quiz #318 (November 21st, 2014)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 64.9cm or 25.55 inches.
Sori : 1.4 cm or 0.55inches.
Mekugi: 2
Width at the hamachi : 2.87cm or 1.13 inches.
Width at the Kissaki : 1.86cm or 0.73 inches.
Kasane : 0.65cm or 0.26inches.
Shape : It is O-Suriage mumei sword with some sdith and thickenss.
It is strong looking piece with some lenth at the kissaki area.
Jitetsu :Koitame hada well grained with flow of masa.
There is jinie attached and is clear as a water surface.
The shinogi-ji is same and it is itame hada with some flow of masa hada.
Hamon : Nie Deki suguha with some nijyuba and some sunagashi and kinsuji works.
There is some kinsuji works.
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