The 2021 D Tuskegee Airman Alabama quarter is a copper-nickel coin from the America the Beautiful series. Minted in Denver, this circulated coin features a business strike type and is uncertified. This particular variety pays tribute to the Tuskegee Airmen, highlighting an important historical aspect of American aviation during World War II. The 25 cent denomination makes it a valuable addition to any coin collection, representing both numismatic and historical significance.