Previous answer is
Mumei (Yokoyama Suketada))
Special feature : At the NBTHK, judged as Yokoyama Suketada but I think If the suketada,
The Hamon is more simple. So I think the blade looks like Yokoyama Sukekane
first generation because the Hamon is very active without faults Juka Choji midair
which is typical nice Sukekane. Even though the blade is unsigned Ubu naaakago,
the blade is very nice Jigane and Hamon.
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Appraisal Quiz #298 (July 4th, 2014)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged
Blade length : 64.5 cm or 25.39 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi: 2
Width at the hamachi : 2.76 cm or 1.08 inches.
Kasane : 0.81 cm or 0.31 inches.
Shape : Thick with small Sori, Naginata Naoshi Katana.
Jitetsu : Itame Hada and Mokume Hada with Masa mixed. There are Jinie and Chikei.
Hamon : Suguha base with Ko-Gunome.
There are Hotsure, Uchinoke, Double-Ha, Kuichigai-Ha.
Bright Nioikuchi. There are Kinsuji and Sunagashi.
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