Previous answer is
Oite Efu Kato Chounsai Tsunatoshi Tsukuru
/Kaei 6 Nen 8 Gatsu Kichijitsu

Special feature: Chounsai Tsunatoshi the First forged this katana at Edo in 1846.
Born Kato Hachiro in Dewa province, present Yamagata pref.
as the Third son of Izumi (No) Kami Kunihide in 1798, learned under Suishinshi Masahide.
Kato Tsunahide, known as its excellent Toran-ba hamon was Tsunatoshi's elder brother.
Tsunahide moved to Osaka from Edo and learned under Suzuki Harukuni.
After that Tsunahide went to Kyushu Island and forged sword at Kumamoto.
Around 1823, he lived a house of the Uesugi family at Azabu in Edo. He passed away in 1863, aged 66.

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Appraisal Quiz #474 (January 27th, 2018)
Who made this sword do you think ?
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Hints. ※The picture will be enlarged
The blade was polished.

Blade length : 38.3 cm or 15.07 inches.
Sori : 0.2 cm or 0.07 inches.
Mekugi : 2
Width at the hamachi : 2.70 cm or 1.06 inches.
Kasane : 0.49 cm or 0.19 inches.
Era : Muromachi period, around Eikyo era.
Shape : Regular width and thickness Hiratsukuri Wakizashi.
There are Bo-Hi on the both side of the blade.
Jitetsu : Itame Hada and Mokume Hada well grained with Jinie attach.
There are Chikei and Utsuri. The Jigane is typical Ouei Bizen.
Hamon : Nie Deki, Gunome Midare and Choji Midare.
The Habuchi is bright.

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