Former President Harry S. Truman (center) receives a gold key with an inscribed card: "This gold key is presented to Harry S. Truman, for his Memorial Library, in recognition for the selection of Schlage locks as the ultimate in modern convenience and security. The Schlage Lock Company, San Francisco, May 9, 1957." Also present is a representative of the Schalge Lock Company and Truman Library architect Alonzo Gentry (right).