This listing is for a collection of mixed year Roosevelt silver dimes and Mercury silver dimes. These coins are circulated and have not been graded or certified.The composition of these dimes is 0.9 silver and they were struck as business strikes at various mint locations in the United States. The collection includes 10C denomination coins featuring the profile image of President Franklin D. Roosevelt on the obverse and the torch, oak branch, and olive branch on the reverse. The Mercury dimes feature the image of Liberty wearing a winged cap on the obverse and a fasces on the reverse. These coins are a great addition to any coin collection or investment portfolio.