The 1865 One Dollar patterns are collectible coins produced as experimental pieces to test designs and denominations before official minting. These patterns feature unique characteristics that differentiate them from regular circulation coins and often come in various compositions, such as silver and copper. The 1865 One Dollar patterns hold significant interest among numismatists due to their rarity and historical context within the United States coinage series. Their limited mintage and distinctive designs contribute to their value and desirability among collectors.

Item Denomination Series Year Mint
1865 P$1 Silver J-434 $1 (One Dollar) Patterns 1865 Philadelphia
1865 PG$1 Copper J-438 BN $1 (One Dollar) Patterns 1865 Philadelphia