The Official U.S. Mint Collector's Album is a complete set of 1999-2008 State Quarters, excluding Maine. These uncirculated coins are made of copper and bear a business strike type. Produced by the United States Mint, they come with certification from the U.S. Mint, making them a desirable addition to any coin collection. Each quarter represents a different state, making this set a comprehensive and patriotic display of American numismatic history.