I'VE seen that car in person and used to be in e-mail contact with it's owner, from what he could find on that car, it was converted back in the 70's when nearly new with all factory parts that were stripped off a real Superbird so the dealer could actually get it to sell. The car's original owner found those parts behind the the dealer, bought them, and had them installed on his 383 Vert. It's really anice car and the guy who owned it is pretty nice too.