USA Medal (1970) Kennedy Brothers Assassination Memorial. Obverse: '29.5.1917 - John F. Kennedy - 22.11.1963'; '20.11.1925 - Robert F. Kennedy - 6.6.1968'. Reverse: United States of America. According it is .9999 Silver. Repaired. Weight approx: 49.96 g. Diameter: 49 mm