Previous answer is
Mumei(Enju)

Special feature :The founder of the Enju school is Kunimura
who was a grandchild of the Rai Kuniyuki.
In Enju school, Enju Kuniyoshi, Kunitoki and Kuniyasu are well known sword makers at Kikuchi Gun Kumafu district.
The sword is very similar with Rai school and rather difficult to distinguish.
Even though the blade has small kizu, the blade is elegant deep nice sori and also nice jigane and elegant Hamon are characterfully enjoy school or Rai school.

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Appraisal Quiz #245 (May 24, 2013)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Katana
Blade length : 70.2 cm or 27.63 inches.
Sori : 1.5 cm or 0.59 inches.
Mekugi :1
Width at the hamachi : 3.17 cm or 1.23 inches.
Width at the Kissaki : 2.40 cm or 0.94 inches.
Kasane : 0.69 cm or 0.27 inches.
Era : Gendai period.
Shape : The blade is wide and thick with longer kissaki nice looking shape.
Jitetsu : Koitame hada well grained with jinie attach.
Hamon : Niedeki gunome midare with thick nioikuchi.
In hamon, there are many sunagashi and kinsuji sacttered inHa.
Boshi is midarekomi style.
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