Collectible coins encompass a wide range of categories, including historical coins, commemoratives, bullion, and error coins. Within the United States, notable examples include coins from various mints and eras, such as the 1916 Mercury Dime, which is coveted for its design and limited mintage. Trial coins or patterns are experimental pieces created to test designs and production processes before final issuance. These coins often feature unique characteristics and are highly sought after by collectors for their rarity and historical significance.

Item Denomination Series Year Mint
1916-- (Unknown) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1916 Unknown
1916-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1916 Philadelphia
1916-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1916 Philadelphia