Collectible coins encompass a wide range of items, including patterns, trial coins, and historical pieces. In the context of the United States, the trial coins from Philadelphia, particularly the 1877 examples, are notable for their unique designs and often limited production. These coins were struck as test pieces to evaluate new designs and techniques, making them highly sought after by collectors. Their rarity and historical significance contribute to their value in the numismatic market.

Item Denomination Series Year Mint
1877-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1877 Philadelphia
1877-P (Philadelphia) Patterns & Trial Coins Other / Varied Patterns & Trial Coins 1877 Philadelphia