1977 Bell System Ad - Phone Generated Revenues

This is a 1977 2-page ad for a Bell System! The size of the ad is approximately 11x17inches. The caption for this ad is 'One business phone generated $133,000 in additional revenues in a 10-week test. Does that say something to you?' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collecction today!