Sword tang signature help

[oxford]

Hello.
Please could someone help me by translating the signature/marks struck into the tang of this Japanese Katana?
Many thanks for any help given.
Regards.
J

 

[Toritoribe]

濃州関住井戸秀俊
Ido Hidetoshi lived in Seki, Mino province

He was a swordsmith in the early Showa period.

 

[oxford]

Blimey! Thank you so much.
Kind Regards.
James

 

[Yobanoty]

I want to know if that how most money value