This listing is for a vintage paper advertisement. This is a 1972 ad for a Sony Stereo Systems: HP-21C, HP-510 and HP-610! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'Buy a stereo system with your ears, not your ego' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!