Sebring '66, in the background is a Fairchild C-82, a freighter of which less than 220 were made, as it was a program started at the end of WW2

https://primotipo.com/2014/11/04/alfa-romeo-tz2-sebring-12-hour-1966/

http://www.aviastar.org/air/usa/fair_packet.php