Previous answer is
Special feature : The name Chiyozuru comes from the childhood name of Kuniyasu who is the founder of Echizen Rai.
First generation Kuniyasu has descended from first generation Kuniyasu.
He has moved to Echizen which is now in Fukui Prefecture.
There is only few Zaimei works such as two generation(parent and son)
Kuniyasu, Morishige, Morihiro and others.
There is also Shigekuni and Kuniyuki in same generation.
Chiyoduru was popular for marriage and celebration from the auspicious name.
There are four generation for Chiyoduru Morihiro.
The first generation was said to be the son of Rai Kuniyasu
of Nanbokucho Period circa Bunwa(1352-) followed by second generation
( Late Nanbokucho Period Circa Shitoku 1384), third generation(Muromachi Period Circa Ouei
(1394) and fourth generation (Muromachi Period Kakitsu 1441-).
Appraisal Quiz #435 (April 22th, 2017)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
Blade length : 76.6 cm or 30.15 inches.
Sori : 1.6 cm or 0.62 inches.
Mekugi : 1
Width at the hamachi : 3.24 cm or 1.27 inches.
Width at the Kissaki : 2.59 cm or 1.01 inches.
Kasane : 0.80 cm or 0.31 inches.
Weight of the blade: 1000grams.
Shape : The blade is wide and thick long sword
with suitable sori and also long kissaki nice elegant shape.
Jitetsu :itame hada well grained with jinie attach
with chikei work wonderful texture.
Hamon : Niedeki gunome midare with thick nioikuchi.
In Hamon, many sunagashi and long kinsuji work
bright clear hamon. Boshi is very active sosyu style hamon.
Under the hamon, soft feeling yaki.
Answer will be posted at next Appraisal Quiz.
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