In the realm of collectible coins, patterns and trial coins represent unique examples used for testing designs or manufacturing processes prior to official minting. The 1862 Fifty Cents pattern coins, produced in Philadelphia, are notable due to their historical significance and the rarity of their issuance. These coins often feature alternative designs that differ from standard circulation pieces, making them highly sought after by numismatists and collectors.

Item Denomination Series Year Mint
United States of America 1862 Philadelphia Patterns & Trial Coins 50¢ 50¢ (Fifty Cents) Patterns & Trial Coins 1862 Philadelphia