The 1867 Pattern coins are experimental pieces that were created as part of the U.S. Mint's attempts to test new designs or denominations. These coins are typically made in limited quantities and are not intended for general circulation. The "P 10" designation likely refers to a specific design or type of coin associated with this pattern. Collectors highly value patterns like the 1867 due to their rarity and historical significance within the numismatic community.

Item Denomination Series Year Mint
1867 P$10 Copper J-602 BN P$10 Patterns 1867 Philadelphia