Previous answer is
Awataguchi Oumikami Tadatsuna the second generation
Special feature : Awataguchi Oumi Kami Tadatsuna is a son of the first generation. He succeeded the family name and called Ikkanshi.
He is qute well known for making Horimono (engraving), He also made Ashinaga Choji Midare, Doranba Hamon, Suguha and Notare Hamon like this sword. This sword is having very nice shape and well grained Koitame-hada and also vivid wild feeling Suguha Notare Hamon.
Appraisal Quiz #424 (Februaly 4th, 2017)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
1 : Sori is not deep.
2 : nkagojiri shape is Kurijiri style.
3 : Koitame-hada well grained nice well grained texture.
4: Konie-deki Gunome Midare Hamon with Ashi and deep but soft Nioikuchi.
5 : Hamon is bright and clear.
Answer will be posted at next Appraisal Quiz.
(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)