The 2015 March of Dimes Special Silver Set is a commemorative coin set made of modern silver/clad with a fineness of 0.9. The set includes coins with a denomination of $1, struck in proof finish by the U.S. Mint. This limited edition set pays tribute to the historical significance of the March of Dimes and is a valuable addition to any coin collection, showcasing the craftsmanship and heritage of American coinage.