Previous answer is
Bishu Osafune Morimitsu/Ouei 27 nen 6 gatsu hi(June 1420)
Special feature : Bishu Osafune Morimitsu was a son of Moromitsu. He was named Shurinosuke.
He was the head of the Oue Bizen with other active swordsmith such as Yasumitsu and Moromitsu.
Morimitsu was expecially famous of that all. He has been active from early Muromachi period which is why it is called Ouei(early Muromachi Period) Bizen.
This piece has fantastic well grained Jigane with fine jinie attached. The Chikei work is undulating in the ha and Utsuri work is appearing as well.
The hamon has mixture sharpness. It is Choji midare with sharp end boshi that resembles the wick of the candle. We recommend you this excellent work.
Appraisal Quiz #333 (March 24th, 2015)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
Blade length : 61.57 cm or 24.24 inches.
Sori : 2.21 cm or 0.87 inches.
Mekugi : 1
Width at the hamachi : 2.85cm or inches.
Width at the Kissaki : 1.96cm or inches.
Kasane : 0.75cm or inches.
Shape : It is regular width and thickness with deep Sori curvature.
Boshi is long end sword that is used as Katate Uchi(used by one hand).
Jitetsu : Koitame hada and Mokume hada mixture. It is well grained and clear Jigane.
On the Ji, fog like Utsuri is appearing.
Hamon : Konie Deki Choji midare with ashi and yo activities.
Boshi is irregular midare komi style hamon.
Answer will be posted at next Appraisal Quiz.
(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)