The DT 50, or Die Trials 50, refers to a specific type of collectible coin from the United States, produced in 1855. These coins are considered patterns or die trials, which are experimental specimens struck from dies to test the designs and minting processes before the official release of coins. As unique or limited mintage items, they hold significant value among collectors due to their historical importance and rarity.

Item Denomination Series Year Mint
1855 DT$50 Kellogg & Co. Copper Die Trial BN DT$50 Patterns & Die Trials 1855 San Francisco