The answer was
Hizen Kuni Tadayoshi(1st generation 5 character signature)
Special Feauture :
First generation Tadayoshi is called Hashimoto Shinzaemon and worked for Nabeshima daimyo family.
At keicyo first year, Nabeshima Daimyo’s order, he went Kyoto and studied under the Umetada Myojyu with Munenaga who also working for Nabeshima family and studied making swords and engraving.
After 3 years later, they returned to Nabeshima family and the Hashimoto family prospered greatly by the dimension of the protection of a feudal clan Nabeshima family.
At Genna 10th he got the tyttle of the Musashi Daijyo and changed his name to Tadahiro and also Hfujiwara.and passed away Kanei 9th August 15th. He changed his name from 5ji Tadayoshi, Jyunin Tadayoshi and Musashi daijyo Tadahiro. The most precious name is 5ji Tadayoshi. This blade is old feeling Jigane and Hamon and brightnice hamon. 5 characters Tadayoshi is a sword loved by many sword collectors. We recommend this masterpiece.
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Appraisal Quiz #429 (March 18th, 2017)
Who made this sword?
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Hints. ※The picture will be enlarged
Blade length : 56.82 cm or 22.34 inches.
Sori : 1.52 cm or inches.
Mekugi : 1
Width at the hamachi : 2.66 cm or 1.047 inches.
Width at the Kissaki : 1.75 cm or 0.69 inches.
Kasane : 0.64 cm or 0.252 inches.
Era : Late Nanbokucyo period to early Ouei era.
Shape : The blade is regulat thickness and width with deep sori and longer kissaki nice looking shape.
Jigane : Koitame hada and mokume hada mixed with jinie attach beautiful texture and clear Utsuri apear on the Ji.
Hamon : Niedeki suguha with ashi, yo work soft feeling like morning mist. right and clear excellent work.
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