Collectible coins encompass a variety of types, including patterns and trial coins, which are often produced as part of the design process before mass production. The United States One Cent Penny, particularly the 1862 issue, serves as a significant example of this category. Patterns from this year may showcase experimental designs or compositions, making them highly sought after by numismatists. Trial coins, including those minted for testing purposes, provide insight into the historical evolution of U.S. currency and are valuable for their rarity and uniqueness.

Item Denomination Series Year Mint
United States of America 1862 Philadelphia Patterns & Trial Coins 1¢ 1¢ (One Cent, Penny) Patterns & Trial Coins 1862 Philadelphia
United States of America 1862 Philadelphia Patterns & Trial Coins 1¢ 1¢ (One Cent, Penny) Patterns & Trial Coins 1862 Philadelphia