This listing is for a vintage paper advertisement. This is a 1978 ad for a GM Harrison Air Conditioning! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'Harrison factory-installed Air Conditioning for Chevrolet and GMC trucks. It's the one with the built-in extras' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!