Open trailer a USAC Champ Car on it and a station wagon towing the car in 1957. This may be the Racing Associates D-A Lubricants car that Johnny Thomson drove. The car was a Kuzma-Offy. per Bobby Marshall
National Geographic Magazine January 1950 Come see more ads and other things at https://misforgotten2.tumblr.com/
National Geographic Magazine May 1950 Come see more ads and other things at https://misforgotten2.tumblr.com/
National Geographic Magazine June 1952 Come see more ads and other things at https://misforgotten2.tumblr.com/