The product is a collection of 11 different First Day Covers (FDCs) from the United States in the 1950s. Each FDC showcases a unique design and is canceled with a First Day of Issue cancellation. These covers are from various artists and institutions, providing a diverse range of artistry and historical significance. Perfect for stamp collectors or enthusiasts of event covers, these FDCs offer a glimpse into the culture and events of the United States during the 1950s.