Correct Super Stock Seats?

Ok, do you have any older pictures of race cars with folding seats in them?? I see the one picture above but I don’t know what year or car it is.

No, none of the pictures would hold up in court, so to speak, but I have so much info about this seat, that I am fully convinced.
Saying this, of cause you must add, there may have been some differences. And in this case it wouldn´t surprise me, if one or two of these cars, had a fixed back...