Collectible coins encompass a diverse range of types, including patterns, trial coins, and commemorative issues. In the United States, many notable collectible coins were minted in Philadelphia, particularly during the late 18th and early 19th centuries. The year 1799 is significant due to the minting of several coin types, including silver dollars and various denominations that are highly sought after by collectors. Trial coins, or patterns, were experimental pieces designed to test new designs or compositions before mass production, often resulting in unique and rare examples within the numismatic community.

Item Denomination Series Year Mint
1799-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1799 Philadelphia