147.700 g. Weimar Republic. 1929 147.700 g. Iron medal. Aversum: aviator bust in the middle of from clouds left, beneath two globes and a flying badge; centered inscription: "Commemorating the conquest of the poles / by rear admiral Richard E. Byrd / and his associates / presented by / the Aeronautical Chamber of Commerce of America / May 9, 1926 - November 29, 1929". Reverse: airplane with mounted eagle over Bergszene to the right and at the bottom on the right signature 'Kilenyi.' on the margin: "Whitehead Hoag", extremley fine