GERMANY. Zeppelin Gold Medal, 1929. NGC Proof. AU Details--Obverse Tooled. Kaiser-511.3. Diameter: 22.5 mm. Issued to celebrate the round the world flight of the dirigible, "Graf Zeppelin". Duerr, Eckner, and Zeppelin are portrayed on the obverse, with a world map showing the Zeppelins flight on the reverse. A flashy proof with some obverse marks.