1991 S Deep Cameo Proof Mt. Rushmore 2 Coin Set : HALF DOLLAR: Obv. features an image of the the Mount Rushmore Memorial, the world’s largest carved stone sculpture. A sunburst appears in the background with the inscriptions “Libertyâ€, “Mount Rushmoreâ€, “In God We Trustâ€, and “1991â€. OBV. designed by Marvel Jovine. Rev. designed by T. James Ferrell, depicts the great North Western American Bison, also commonly referred to as a buffalo. There are fifty stars positioned around the outer edge of the coin and inscriptions “United States of Americaâ€, “Golden Anniversaryâ€, “E Pluribus Unumâ€, and “Half Dollarâ€. SILVER DOLLAR: Obv. design of the silver dollar contains a view of Mount Rushmore. The mountainside carving by Gutzon Borglum features busts of Presidents George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. At the bottom of the coin are two laurel wreaths with a ribbon containing the motto “In God We Trustâ€. Other inscriptions include “Libertyâ€, “Golden Anniversaryâ€, “Mount Rushmore National Memorialâ€, and “1991â€. Obv. was designed by Marika H. Somogyi and modeled by Chester Young Martin. Rev. The Great Seal of the United States with a sunburst and an outline of the America. There is a star placed at the location of Mount Rushmore with an inscription “Shrine of Democracyâ€. The remaining inscriptions include “United States of Americaâ€, “E Pluribus Unumâ€, and “One Dollarâ€. The reverse was designed by Frank Gasparro.