The 1858 Pattern One Dollar coins are notable examples in U.S. numismatics, representing experimental designs that were typically not intended for general circulation. These coins were created as trial pieces to evaluate new designs or changes to existing denominations. The 1858 pattern series features innovations in design, which were often tested through limited striking. Collectors highly value these coins due to their rarity and historical significance, making them sought-after items in numismatic collections.

Item Denomination Series Year Mint
1858 PG$1 Gold J-224 $1 (One Dollar) Patterns 1858 Philadelphia