Methinks Morelli.
I told my son about this documentary and he'd already seen it.
The Cannonball Run Countach: Supercar Legend | Full Documentary It's well over an hour and includes black&white pictures of the birdcage frame and panel-beating the aluminum skin.
The striking freatures IMHO are the front bumper -- like an off-road nerf bar with drivubg lights incorporated in the standoffs -- and the tailpipes. The row of twelve form the roof of a diffuser with active input to accelerate the airflow.
http://www.hagerty.com/media/car-pro...icle-register/