Collectible coins are items of numismatic interest that can include various types such as patterns, which are trial strikes or prototypes created to test new designs before mass production. The "PH10c" refers to a specific pattern coin denomination of 10 cents minted in Philadelphia in 1871. These pattern coins are typically produced in limited quantities and can be highly sought after by collectors, often resulting in significant value due to their rarity and historical importance.

Item Denomination Series Year Mint
1871 PH10c Silver J-1059 PH10c Patterns 1871 Philadelphia