1962 U.S. Proof Set Proof Set 1962 The set contains 5 coins, including 3 coins of 90% silver (half dollar - quarter dollar - dime). Specifications:- _ Half Dollar (Franklin) Composition: 90% silver Weight: 12.5 grams Diameter: 30.0 mm Finish: Proof Mint/Mint Mark: Philadelphia / No mark _ Quarter Dollar (Washington) Composition: 90% silver Weight: 6.3 grams Diameter: 24.3 mm Finish: Proof Mint/Mint Mark: Philadelphia / No mark _ Dime (Roosevelt) Composition: 90% silver Weight: 2.5 grams Diameter: 17.9 mm Finish: Proof Mint/Mint Mark: Philadelphia / No mark _ 5 Cents (Jefferson Nickel) Composition: 75% copper and 25% nickel Weight: 5.0 grams Diameter: 21.2 mm Finish: Proof Mint/Mint Mark: Philadelphia / No mark _ Cent (Lincoln) Composition: 95% copper and 5% zinc Weight: 3.11 grams Diameter: 19.0 mm Finish: Proof Mint/Mint Mark: Philadelphia / No mark Mintage: 3,218,019