Previous answer is
SMumei (Den Osafune Yoshimitsu)

Special feature : This piece is mumei unsigned but it is a sword
of Sahei-Daiu, the second son of Bizen Kagemitsu. It is a sword
from Nanbokucho period and it is similar style to Kanemitsu.
This wakizashi has rich jitetsu and so as the hamon were there is choji-ba
and ko-choji ba. There is also fine kinsuji work seen. It is outstanding piece of work.
There is a tokubetsu hozon paper for this katana.

==============================================
Appraisal Quiz #292 (May 23rd, 2014)
Who made this sword do you think ?
==============================================

Hints. ※The picture will be enlarged

Blade length : 78.33 cm or 30.83 inches.
Sori : 2.1 cm or 0.82 inches.
Mekugi: 2
Width at the hamachi : 3.17cm or 1.24 inches.
Width at the Kissaki :2.63 cm or 1.03 inches.
Kasane : 0.76 cm or 0.29 inches.
Shape : Wide and thick, Ookissaki Naginata Naoshi Katana.
Jitetsu : Itame Hada Nagare. Hadatachi style. Jinie attached.
Hamon : Ko-Midare and Ginome Midare. Deep Nioikuchi.
In Ha, there are many Kinsuji and Sunagashi.

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

Answer will be posted at next Appraisal Quiz.

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

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