This quote was taken from an album page on stamps.org regarding your postal cards:
"To promote tourism and development throughout the Western Hemisphere, the Organization of American States declared 1972 to be "Tourism Year of the Americas." As part of the promotional effort in the United States, the U.S. Postal Service issued a packet of five postal cards with black line illustrations of popular U.S. tourist destinations on the picture side of each card These were sold in sets, either unused or with cancellations from the day on which they were issued -- June 29, 1971 -- from the philatelic exhibition then underway in Brussels, Belgium..."
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Stamp Community assumes no liability for errors. Copyright 2005 - 2026 Stamp Community Family - All rights reserved worldwide. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. Privacy Policy / Terms of UseAdvertise Here