1942.S Mercury Dime Winged Liberty Silver Dime
.Mintage: 49,300,000
.Minted at: San Francisco
.Designer - Engraver: Adolph A Weinman
.Metal Composition: 90% silver - 10% copper
.Finesse: 0.900
.Diameter: 17.9 mm
.Mass/Weight: 2.5 grams
.Thickness: 1 mm
.Variety/Rarity: San Francisco (S)