You're right... from that era for sure but I don't think it's a football... doesn't have enough fuses.
It's not apparent, from the pictures I chose to upload, but even though it has 2 vacant holes where fuse holders would mount, there are no missing wires underneath that would indicate the fuse holders were ever there.
That's why I don't think it's from Football or those late 70s games. Earlier maybe?
I bet it's a couple of years before that.
Ha... no but the only significant difference was that I wasn't underwater when I found it... still could have found an underwater breathing apparatus helpful!
Thanks Mod, that fits... the guy said that he had some Starship 1 cabs in another location and he's known for removing parts from cabinets for no reason... (see my WTB post for Super Breakout PCB)