Collectible coins encompass a variety of categories, including historical, commemorative, and bullion coins. The United States offers a range of collectible coinage, such as the $10 Ten Dollars coins, which often feature notable designs and historical significance. The Coronet Head Cents, minted between 1838 and 1857, are an example of early American coinage, with the 1838 issue being struck in Philadelphia. These coins are sought after by collectors for their unique designs and limited mintage.