Collectible coins encompass various types, including patterns and trial coins, which are often produced in limited quantities for testing purposes. The 1880 Four Dollars coin, minted in Philadelphia, is an example of a trial coin that was intended to evaluate new designs or specifications. These coins can hold significant value for collectors due to their rarity and historical importance within the numismatic community.

Item Denomination Series Year Mint
United States of America 1880 Philadelphia Patterns & Trial Coins $4 $4 (Four Dollars) Patterns & Trial Coins 1880 Philadelphia