The DT 20 is a specific type of Pattern Die Trial coin from the United States, minted in 1860. These coins were experimental pieces created to test new designs or coinage concepts before official production. Patterns are often highly sought after by collectors due to their limited mintage and unique characteristics, showcasing the evolution of U.S. coin design. In the context of numismatics, such items represent a fascinating aspect of U.S. monetary history.

Item Denomination Series Year Mint
1860 DT$20 Clark Gruber Copper Die Trial DT$20 Patterns & Die Trials 1860 Denver, Colorado