Collectible coins encompass a wide variety of categories, including commemorative, vintage, and trial coins. Trial coins, also known as pattern coins, are experimental pieces created to test designs or compositions before full production. In the United States, trial coins often hold historical significance, particularly those from pivotal years such as 1942, which feature unique design elements not seen in regular circulation coins. The rarity and historical context of these pieces contribute to their value among collectors.

Item Denomination Series Year Mint
1942-- (Unknown) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1942 Unknown
1942-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1942 Philadelphia
1942-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1942 Philadelphia