Previous answer is
Oite Nanki Shigekuni Zo Kore (First generation)

Special feature : Nanki shigekuni is a stream of the Yamato Tegai school.
At first, he made swords at Subpu province and At Genna era,
he moved to Kisyu Wakayama province followed with Daimyo Tokugawa Yorinobu.
His subjects are suguha hamon mainly because he belonged to succeed Yamato school.
But sometimes he made Sosyu den style which is very active Gunome midare
with thick nioikuchi with sunagashi and kinsuji.
At that time he made very long swords but the order of Syogun the blade were cut shortened like this sword.
According to the Jyuyo zufu, The blade is Sosyu school eight lot of activities with sunagashi and kinsuji.
The blade is very clear and looks like Shizu.
He is very skillful sword maker both Yamato den and also Sosyu den.
It is very difficult to obtain Sosyu den style swords.
We strongly recommend this fantastic sword.
The Horimono is Ebu style not later hormone.
Because the Hamon is very hard and not impossible to make Horimono(engraving) inside of the hamon.
The hormone was done before Yakiire and yakiire later on.
The sword is very nice Jigane and excellent Sosyu den Doranba hamon.

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Appraisal Quiz #323 (December 26th, 2014)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged
　
Blade length : 28.72 cm or 11.30 inches.
Sori : 3.03 cm or 1.19 inches.
Mekugi : 1
Width at the hamachi : 2.88 cm or 1.13　inches.
Kasane : 0.48 cm or 0.18 inches.
Shape : It is wide and thick some sori shape. The shape of the nakago is Tanago Bara or stomach of Japanese bitterling.
Jitetsu : Itame hada well grained iwth jinie attached. chikei works could be well observed.
Hamon : Nie Deki gunome midare with the hamon line completely same shape at the front and back.

Hints.
1.The front and back hamon matches.
2. The nakago is unique shape.
3. The Itame Hada is clear and Chikei works are also visible.
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