diameter: 3 in. ( 7.6 cm )
Inscription: obverse, in exergue, at lower left of field: "NORMAN BEL GEDDES 1933"
Inscription: edge, lower center: "MEDALLIC ART CO. N.Y."
Silver-plated bronze struck medal with obverse depicting spirit of streamlining with large vertical wing at center; legend: "TO THE ADVANCEMENT OF/MOTOR TRANSPORTATION." Reverse contains piston design symbolic of all combustion engines, with laurel wreath above; dates : "1908/1933", diagonally from bottom right to top left; legend: "COMMEMORATING/THE TWENTIETH/ANNIVERSARY OF/GENERAL MOTORS."
Due to ongoing research, information about this object is subject to change.