Collectible coins represent a wide variety of numismatic items that are sought after by enthusiasts for their historical, aesthetic, and monetary value. In the context of the United States, coins such as the P50c, or 50-cent pieces, have significant interest among collectors, particularly within specific years like 1858, which features unique designs and historical contexts. Additionally, "Patterns" refer to experimental coins that were struck to test new designs or compositions before official minting, making them particularly rare and valuable in the market.

Item Denomination Series Year Mint
1858 P50c Silver J-222 P50c Patterns 1858 Philadelphia