[U.S.P.S. Commemorative Stamp Sets](https://www.ihobb.com/c/USPS_SETS.html "USPS Commemorative Sets")

United States · 1968 ·

U.S.P.S. Commemorative Stamp Sets(https://www.ihobb.com/c/USPS_SETS.html "USPS Commemorative Sets") Since 1968 the USPS has issued annual sets of the year's stamps. In addition there are many special sets produced for special issues or events of interest to collectors. Over the years the colorful USPS stamp portfolios have evolved from simple, but informative folders, to colorfully printed books with photos and drawings that bring our history and culture of America alive. These quality pub