In the context of collectible coins, the 1849 United States Patterns are a series of trial coins created to test new designs and technologies before official minting. These coins were produced in limited quantities and feature unique designs, making them highly sought after by collectors. The PS 1 designation refers to specific die trials associated with these patterns, which were crucial in developing U.S. coinage during that era. Collectors value these patterns for their historical significance and rarity in numismatic circles.

Item Denomination Series Year Mint
1849 PS$1 Pacific Company Silver Pattern PS$1 Patterns & Die Trials 1849 California