Previous answer is
Mumei (unsigned)（Ryo Hisanobu）

Special feature : Ryokai Hisanobu is son of Yamashiro Ryokai.
And also Ryokai Hisanobu is father of Nobukuni (first generation).
He was studied under the Rai Kunitoshi.
This Jigane is very nice. There are many Kinsuji.
We are impressed by Jigane of Yamashiro beauty.

==============================================
Appraisal Quiz #308 (September 12th, 2014)
Who made this sword do you think ?
==============================================

Hints. ※The picture will be enlarged

Blade length : 71.6 cm or 28.18 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi : 1
Width at the hamachi : 3.21 cm or 1.26 inches.
Width at the Kissaki : 2.26 cm or 0.89 inches.
Kasane : 0.69 cm or 0.27 inches.
Shape : The blade is wide and thick with nice sori and also longer kissaki nice looking shape.
Jitetsu :Koitame had well grained with jinie attach beautiful texture which is called Konuka had.
Hamon : koniedeki middle suguha with thick nioikuchi and nice soft feeling Habuchi
and soft Ashi. Boshi is also soft feeling round shape.

================================================

Answer will be posted at next Appraisal Quiz.

================================================

(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)