This is the back of a McQuay - Norris Streamliner. They were intended as rolling test beds and promotional vehicles for the McQuay-Norris Company of St. Louis, which manufactured replacement pistons, rings, bearings and other automotive bits and pieces that one might need in order to rebuild an automobile engine or chassis. It has a cool tear drop design, no rear window or windshield wipers, with a wooden engine cover in the cockpit of the car.