Collectible coins encompass a wide range of numismatic items, including patterns and trial coins. Patterns are experimental pieces created to test new designs or compositions before official minting, often produced in limited quantities. Trial coins, similarly, are made to assess die and striking processes, but they may not necessarily represent a final design. In the United States, collectible coins can include denominations like the 10-dollar coin, which features various designs and historical themes relevant to American culture and heritage, appealing to both collectors and investors.

Item Denomination Series Year Mint
1862-P (Philadelphia) Patterns & Trial Coins $10 (Ten Dollars) Patterns & Trial Coins 1862 Philadelphia
United States of America 1804 Philadelphia Patterns & Trial Coins $10 (Ten Dollars) $10 (Ten Dollars) Patterns & Trial Coins 1804 Philadelphia
United States of America 1861 N/A Patterns & Trial Coins $10 (Ten Dollars) $10 (Ten Dollars) Patterns & Trial Coins 1861 N/A
United States of America 1861 Philadelphia Patterns & Trial Coins $10 (Ten Dollars) $10 (Ten Dollars) Patterns & Trial Coins 1861 Philadelphia
United States of America 1866 Philadelphia Patterns & Trial Coins $10 (Ten Dollars) $10 (Ten Dollars) Patterns & Trial Coins 1866 Philadelphia
United States of America 1874 N/A Patterns & Trial Coins $10 (Ten Dollars) $10 (Ten Dollars) Patterns & Trial Coins 1874 N/A
United States of America 1874 Philadelphia Patterns & Trial Coins $10 (Ten Dollars) $10 (Ten Dollars) Patterns & Trial Coins 1874 Philadelphia