Modern commemorative coins are specially minted pieces that celebrate significant events, individuals, or themes in American history and culture. In the year 2000, several sets were released, including coins honoring the Millennium, featuring designs that reflect the hope and aspirations for the future. The United States Mint produces these coins in limited quantities, making them desirable for collectors. These coins often have unique designs, higher quality finishes, and can be part of larger themed sets that include multiple coins issued within the same year.