Collectible coins encompass a wide range of items sought after by numismatists, including patterns and trial coins. The United States quarter, specifically the 25 cents coin, has various collectible issues, including Rare examples from different years. Notably, trial coins are experimental pieces created to test coin designs and production techniques, often with limited mintage. The 1805 coinage represents a significant year in U.S. numismatic history, with certain pieces becoming particularly sought after for their rarity and historical context.

Item Denomination Series Year Mint
United States of America 1805 N/A Patterns & Trial Coins 25¢ 25¢ (Twenty Five Cents, Quarter) Patterns & Trial Coins 1805 N/A