The USPS Commemorative The United States Framed 11 Mint Statehood Stamps is a limited edition beautiful glass enclosed set of stamps released in 1990s by the US Postal Service. Featuring a colorful design, these stamps celebrate the statehood of 11 States in the United States. Encased in a frame, they serve as a commemorative plaque awarded to USPS Operations Management. With a focus on the history and significance of each state, these stamps offer a unique and collectible piece of American postal history.