This unique set of poster stamps commemorates the 1933 Chicago Expo World's Fair Century of Progress. The colorful design features various scenes from the fair, making it a great addition to any collection of specialty philately. The stamps were printed in the United States during the 1930s and are a testament to the country's progress during that time. They are perfect for collectors of cinderellas and other unique stamps. The poster stamps are a true piece of history, showcasing the art and design of the time period. They are a great conversation starter and make for a unique gift for any stamp collector. Add this set to your collection today and own a piece of American history.