Material: metal. Size: 3 1/2" diameter x 1/4" D. Description: bronze medal #130 - Side 1: likeness Herbert Hoover on one side - printed above: "President of the United States" - printed to left: "MCMXXIX" - printed to right: "Herbert Hoover" - reverse side: figure of woman with arms encircling a column on each side - printed on back"Engineer, Scholar Inagurated March 4, 1929, Statesman, Humanist".