This is a collection of 28 United States First Day Covers (FDCs) from the 1930s and 1940s, including blocks. These covers are a great addition to any stamp collector's collection. The cancellation type is First Day of Issue, and the place of origin is the United States.

The covers are from various categories, including Stamps, United States, Covers, and are specifically from the 1930s-1940s. Each cover has a unique design and historical significance, making them a valuable addition to any collection. Don't miss the opportunity to own these pieces of American history!