Morgan Silver Dollar San Francisco "S" for the year 1880 Morgan Silver Dollar San Francisco BU 1880-S Condition: Uncirculated "Uncredited" in its original condition and luster. Specifications: Denomination: 1 Dollar Designer: George Morgan Composition: 90% Silver and 10% Copper Diameter: 38.1 mm Weight: 26.73 grams Silver Weight: 0.7734 oz " .Oz " Edge: Reeded Mint: San Francisco Mint Mark: S Mintage: 8,900,000 pieces "Low mintage" Quantity: 20 pieces