1947 Washington Quarter Silver Composition
.Mintage: 22,556,000
.Minted at: Philadelphia (No Mint Mark)
.Designer - Engraver: John Flanagan
.Metal Composition: 90% Silver - 10% Copper
.Finesse: 0.900
.Diameter: 24.3 mm
.Mass / Weight: 6.25 grams
.Thickness: 1.75 mm