Previous answer is
Kanetsugu

Special feature : Kanetsugu is one of the representing swordsmithes of Koaoe.
This piece is Suguha style with konie　or small crystal particles well attached.
There are many activities in the cutting edge such as yubashiri or a nie like
the shape of drop of water. It looks more simple compared to Kobizen pieces.

==============================================
Appraisal Quiz #270 (December 6th, 2013)
Who made this sword do you think ?
==============================================

Hints. ※The picture will be enlarged

Blade length : 74.99 cm or 29.52 inches.
Sori : 1.65 cm or 0.64 inches.
Mekugi: 1
Width at the hamachi : 3.21 cm or 1.26 inches.
Width at the Kissaki : 2.21 cm or 0.87 inches.
Kasane : 0.62 cm or 0.24 inches.
Shape : The sword is wide and thick with suitable sori and longer kissaki nice looking shape.
Jitetsu :Koitame had and mokume had amide with jinie attach and blackish jigane also chikei work.
Hamon : From the Hamachi, suguha based and then Gunome midair with thick noioikuchi and sunagashi, kinsuji work.
Boshi is round shape with kinsuji.

hints.
1:The jigane is blackish nice jigane.
2:On the bottom of the Nakago, 2 kirikomi fail marks are engraved.
3:The shindig line is slightly deviate a little from　the bottom line.
4:
The hamon is thick nioikuchi with sunagashi and also kinsuji, imozuru .
5:Generally the Kissaki is longer or ookissaki shape.

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

Answer will be posted at next Appraisal Quiz.

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

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