Previous answer is
Shouji Chikuzen Daijyo Taikei Naotane(Kao)
/Oite Todai ji Jo ka Saku Kore
Special feature : Taikei Naotane was born at Dewa province and got the title of Chikuzen Daijyo.
After he went to Edo and studied under the Suishinshi Masahide.
His skill was excellent and outstrip his master Suishinshi Masahide.
His Bizenden and soshu den are excellent work.
I saw Jyuyo bijyutsu many years ago, the blade is very similar with Koto blade like Norishige.
This sword is up and down choji midare and gunome midare mixed.
Utsur is very clear. This sword is typical Naotane bizen style hamon.