This is a 1970 ad for a GM-Harrison Truck Air Conditioning! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'Look, you kids hit the trail. I'll hold the fort here in the cab of my GM-Harrison air-conditioned camper' The ad is in good overall condition, with some light wear. This vintage ad would look great framed and displayed! Add it to your collection today!