Katana : Mumei (Chiyozuru)
Katana in Shirasaya (NBTHK Hozon paper)
Signature : Mumei (Chiyozuru)
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku, Jyo saku and regular saku)
This Mumei (Chiyozuru) belongs to jyo-jtyo saku ranking.
The blade was polished by good polisher.
habaki:gold foiled double habaki.
Blade length : 72.3 cm or 28.46 inches.
Sori : 1.7 cm or 0.66 inches.
Mekugi : 1
Width at the hamachi : 2.91 cm or 1.14 inches.
Width at the Kissaki : 2.03 cm or 0.79 inches.
Kasane : 0.74 cm or 0.29 inches.
Era : Late Nanbokucho period to early Muromachi period.
Shape : The blade is oosuriage mumei(cut shortened) the blade is rather wise and thick with deep sori and long kissaki nice looking shape.
Jitetsu : Itame hada and mokume hada mixed with jinie attach and small chikei work.
Hamon : Niede ki suguha hamo and notare ba mixed ther are many ashim sunagashi Yo and also chikei work.
Especially from Monouchi area to Kissaki, active hamon work.
Boshi is round shape and Yakusage deep.
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-).
NBTHK Hozon Token.
Aoi Art estimation paper : whole Oshigata.