Previous answer is
Kikumon (chrysanthemum emblem) Oumi no kami Minamoto Hisamichi (First generation)/Enkyo 4 Hinotou nenn 2 gatsu hi(February. 1747)

Special feature : Oumi no kami Hisamichi is named Horitarou-bee
and was born in Kanei 3rd year（1626） at Eshu Noshu ward.
He was a student of secede generation Iganokami Kinmichi
and was chosen as one of five great sword smith of that time.
He first received the chair of Oumi Daijyo at Kanbun 1st year
and have become Oumi kami. There are chrysanthemum emblem at the top part of the signature.
To be more specific, the emblem on this katana tang called Edakiku emblem.
Edakiku is a chrythanthemum with leaves and branches.
It is well known that Hisamichi uses this emblem.
This sword is wide and thick magnificent looking sword.
The charm of nie work is fully expressed.
The jigane and chikei work is especially food. The hamon is coarse and rustic.
There are many activities in the ha such as sunagashi and kinsuji works.
It is masterpiece of Hisamichi.
He was a long living sword smith at the time who has passed away
at Shotoku 1st year(１７１４） at age of 85.

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Appraisal Quiz #281 (March 7th, 2014)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged

Blade length : 71.1cm or 27.99 inches.
Sori : 1.6cm or 0.62 inches.
Mekugi: 1
Width at the hamachi : 3.22 cm or 1.26 inches.
Width at the Kissaki : 2.39 cm or 0.94 inches.
Kasane : 0.75 cm or 0.29 inches.
Shape : Wide and thick nice shape Katana.
Jitetsu : Itame hada well grained with jinie attached. It is clear jigane.
Hamon : Konie ground suguha with some koashi attached.

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