The 1942/1 Mercury dime has, essentially since its inception, been one of the most popular varieties. Struck in Philadelphia and designated as a Business (MS) strike, this coin is made of 90% silver 10% copper from a mintage of 205,410,000 struck. The 1942/1 Ten cents is part of a series of Winged liberty head (Mercury) dime coins struck from 1916-1945.