Was the rear plate on a 67 mounted the same way? I appear to have some sort of aftermarket plastic mount that secures to a metal bracket which is mounted to the rear bumper and my plate is attached to that. It looks nice, but I got the car that way and my plate is definately not attached to the metal where those holes are. So should my 67 be attached the same way as the 68 method that you just showed? I would guess yes, but want to know for sure... If so, I would like to change it back to the stock mouthing method.