1933 Century of Progress, 25th Anniversary of General Motors Medal. By Norman Bel Geddes, Struck by Medallic Art Company. Silver-Plated Bronze. Extremely Fine, Edge Nicks. 76 mm. <strong>Obv:</strong> Futuristic streamlined winged automobile with peripheral inscription TO THE ADVANCEMENT OF / MOTOR TRANSPORTATION, signed NORMAN BEL GEDDES 1933 below automobile. <strong>Rev:</strong> Stylized automobile piston with dates 1933 and 1908 at the upper left and lower right, respectively, peripheral inscription COMMEMORATING THE TWENTY FIFTH / ANNIVERSARY OF GENERAL MOTORS. <strong>Edge:</strong> Stamped MEDALLIC ART CO NY. at 6 oclock.