Previous answer is
Miyoshi Nagamichi the first generation

Special feature : Taihai(shape) is having small curve Kanbun style.
Boshi twists round shape such like a snake head.
Hamon is bright and clear with Sunagashi, Kinsuji work.
Gunome Midare mixed with rather thick Nioikuchi.
Nakago-jiri's shape is round shape which is called Kurijiri style.

==============================================
Appraisal Quiz #425 (Februaly 11th, 2017)
Who made this sword do you think ?
==============================================

Hints. ※The picture will be enlarged

1 : Nakago shpae is Kurijiri style.
2 : Characteristic Kesho Yasuri ahs been done.
This sowrdsmoth made Soshu-den, Bizen-den style but also Mino-den and Yamato-den.
3 : We can find a Uzumaki-hada (whirlpool texture) on the Ji on the Soshu-den blade forged by him.

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

Answer will be posted at next Appraisal Quiz.

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

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