Previous answer is
(Aoimon)
Syume Kami Ichinohira Yasuyo
Special feature : The father of Ichinohira Yasuyo was Yamashiro Kami Yasusada who Nakamura family and succeeded Tamaoki family.
He became a student of the Yamato Kami Yasusada and studied a lot.
At kyoho 6th year He went Edo with Mondo syo Masakiyo in order to make sword for Syogun Yoshimune.
Masakiyo, Ichinohira Yasuyo, Nobukuni Shigekane also made swords for Syogun.
Yasuyo got the top prize and permitted to engrave Ichiyo family crest.
Returning trip to his place, at Kyoto he got the the title of Syume Kami.
He passed away Kyoho 13th age 49 years.
This blade is very wide and thick and also fantastic deep nioikuchi hamon.
Generally Ichinohira Yasuyo made few swords.
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Appraisal Quiz #230 (February 8, 2013)
Who made this sword do you think ?
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hints. ※The picture will be enlarged
Blade length : 71.3 cm or 28.07 inches.
Sori : 1.4 cm or 0.55 inches.
Mekugi : 3
Width at the hamachi : 2.98 cm or 1.17 inches.
Width at the Kissaki : 2.17 cm or 0.85 inches.
Kasane : 0.62 cm or 0.24 inches.
Era : Azuchi Momoyama period.
Shape : The blade is suriage nakago and wide and thick with deep sori which is typical Keicyo style nice looking shape.
Jitetsu : Koitame had well grained with jinie attach beautiful texture.
Hamon : Niedeki suguha based noter and small gunome midare.
In Hamon, ash and yo scatter with deep nioikuchi like morning mist.
Boshi :Notare and round shape.
hints.
1:The blade is rather wide with deeper sori long kissaki.
2:Jigane is koitame had well grained nice marvelous jigane.
3:hamon is not reached to the edge at the Hamachi area.
Generally this school’s sword makers are same as this sword.
4:Sword has signature on the back side(urea) and in case of Wakizashi,the signature is on the front.
5:The signature was changed 3 times during his sword making.
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