Previous answer is
Sa Yukihide

Special feature : Generally, Sa Yukihide made long, wide and thick blade with small curve and long Kissaki.
He is famous for making deep Nioikuchi Suguha Hamon and Notare Hamon.
He adore ancient Samonji school and

himself as succeedeing  37th samonji
He always made deep nioikuch suguha hamon but sometimes made gunome midare hamon with thick nioikchi.

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Appraisal Quiz #409 (October 15th, 2016)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 45.5 cm or 17.9 inches.
Sori : 1.2 cm or 0.47 inches.
Mekugi : 3
Width at the Hamachi : 3.16 cm or 1.24 inches.
Width at the Kissaki : 2.25 cm or 0.89 inches.
Kasane : 0.65 cm or 0.26 inches.
Shape : Wakizashi with thick and wide blade.
Jigane : Ko-Itame-hada well grained with Mokume-hada mixed, deep Jinie attached with Chikei appear on surface.
Hamon : Gonome-Midare Kinsuji work well bright and wonderful Hamon.

Please discover clues from following.
1 : Blade is having very nice Ko-Itame-hada on Jigane and clear bright Hamon.
2 : Boshi is round shape generally.
3 : Gunome Midare with very deep Nioikuchi.
4 : Many blade with Saidan-Mei can be seen on the blade he have forged.

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