Collectible coins encompass various types, including patterns, trial coins, and established denominations such as the 1 Cent Penny. The United States has produced numerous collectible coins, with the 1804 silver dollar being one of the most famous examples of a pattern coin. Patterns are prototype coins struck to test designs, while trial coins are produced to evaluate the minting process. The rarity and historical significance of such coins can greatly enhance their value among collectors.

Item Denomination Series Year Mint
United States of America 1804 Philadelphia Patterns & Trial Coins 1¢ 1¢ (One Cent, Penny) Patterns & Trial Coins 1804 Philadelphia