Previous answer is
Bizen Saburo Kunimune

Special feature : The signature is 2 characters on Tachi-mei side.
The Hamon is Choji Midare so we remind Ichimonji, Hatakeda Moriie and Kunimune easily.
The hint is mentioned Hajimi on the Homan so we can Judge the blade should be Kunimune.

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Appraisal Quiz #407 (October 1st, 2016)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 72,2 cm or 28.4 inches.
Sori : 2,1cm or 0,83 inches.
Mekugi : 1
Width at the hamachi : 3,29 cm or 1.3 inches.
Width at the Kissaki : 2,74 cm or 1.8 inches.
Kasane : 0,93 cm or 0.37 inches.

Shape : The blade is Nagamaki Naoshi style long and wide and thick deep curve very nice looking shape.
Jigane : Please take a look to this inique Jigane carefully.
Hamon : Suguha Hamon with Ko-Ashi scatter and double Ha.
Kissaki is Hakikake style.

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Answer will be posted at next Appraisal Quiz.

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