Collectible coins often encompass a wide range of categories, including patterns, trial coins, and other varied types. Pattern coins are experimental pieces struck to test designs and compositions before full production. Trial coins, typically created in limited quantities, serve similar purposes and may feature unique characteristics. In the context of the United States, particularly around the mid-19th century, such coins, including those from 1850 Philadelphia, are highly sought after by collectors due to their rarity and historical significance. These pieces often reflect important design changes and innovations in numismatic history.

Item Denomination Series Year Mint
1850-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1850 Philadelphia
1850-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1850 Philadelphia