Answer previous answer was Koyama Munetsugu(Shin-shinto, Jo-josaku. Musashi province.)

(NBTHK Tokubetsu Hozon Paper)

 

Special feature : First generation Bizen no suke Munetsugu (Koyama Munetugu )
was born at Mutsu Shirakawa province as a son of Koyama Munehira.
His name was Soubei.
He was working for Matudaira Daimyo family as a sword making Samurai.
He moved to Kuwana province with his master and then he moved to
Edo at Tenpo 2 nd year.At that time he was high reputation of cut well
swords maker.
Generally speaking the quality of Munetsugu is one of the top sword
smith in late Edo period and without any faults among his swords.

This is Utsushi (copy) of Morimitsu (Ou-ei Bizen) by Koyama Munetsugu in Tenpo era.
This blade doesn’t have Utsuri on Jitetsu, but Jitetsu and Hamon are
very similar to Morimitsu.
And activities in Ha are fantastic, and engraving on blade is very nice.
Koshirae’s condition is very healthy, and blade has gotten NBTHK Tokubetsu Hozon Paper.
Therefore we recommend this blade strongly.

 

 

 

 

Hint:

Blade length : 75.7 cm or 29.80 inches.
Sori : 1.8 cm or 0.70 inches.
Mekugi: 1
Width at the hamachi : 3.10 cm or 1.22 inches.
Width at the Kissaki : 2.05 cm or 0.80 inches.
Kasane : 0.87 cm or 0.34 inches.

Shape : Wide and thick and long Katana with Sori.
Jitetsu : Itame hada with Jinie and Chikei attach.
Hamon : Koniedeki Suguha, and there are double-ha.
There are much Ashi and Yo and Kinsuji in Ha.
Boshi is Yakisake style.

Special features: This swordsmith was famous for very clear and fantastic Masame hada.
And this blade has nice Sunagashi along Masame line.