American Coin Set Philadelphia and Denver 1963 Uncirculated Mint Set P&D 1963 The set consists of 10 coins, 6 of which contain 90% silver (half dollar, quarter dollar, dime). The total silver weight in the set is 42.6 grams. This is equivalent to 1.23 troy ounces of 99.9% pure silver. Specifications: - Franklin Half Dollar (Philadelphia and Denver P&D) Composition: 90% silver Weight: 12.5 * 2 = 25 grams - Washington Quarter (Philadelphia and Denver P&D) Composition: 90% silver Weight: 6.3 * 2 = 12.6 grams - Roosevelt Dime (Philadelphia and Denver P&D) Composition: 90% silver Weight: 2.5 * 2 = 5 grams - Jefferson Nickel 5 cents (Philadelphia and Denver P&D) Composition: 75% copper, 25% nickel Weight: 5 grams - Lincoln Cent (Philadelphia and Denver P&D) Composition: 95% copper, 5% zinc Weight: 3.11 grams