Collectible coins include various types such as patterns, trial coins, and denominations like the 10-cent dime. The United States issued a notable pattern dime in 1876 at the Philadelphia Mint, intended to test designs before official production. These trial coins are often sought after by collectors for their historical significance and rarity, as they represent the evolution of currency. Patterns from this era can feature unique designs that differ from standard issue coins, making them valuable to numismatists.

Item Denomination Series Year Mint
1876-P (Philadelphia) Patterns & Trial Coins 10¢ (Ten Cents, Dime) Patterns & Trial Coins 1876 Philadelphia
1876-P (Philadelphia) Patterns & Trial Coins 10¢ (Ten Cents, Dime) Patterns & Trial Coins 1876 Philadelphia