Collectible coins encompass a variety of categories, including patterns and trial coins. In the United States, the 1874 Twenty-Five Cents Quarter, produced in Philadelphia, is a notable example of a trial coin, representing experimental designs or compositions before official production. Such coins are often sought after by collectors due to their historical significance and rarity, making them valuable additions to numismatic collections.

Item Denomination Series Year Mint
United States of America 1874 Philadelphia Patterns & Trial Coins 25¢ 25¢ (Twenty Five Cents, Quarter) Patterns & Trial Coins 1874 Philadelphia