The medal's obverse bears art deco style bust of a pilot in a leather flying helmet with laurel leaf crown, up-turned wings behind pilot, star above. To left and right of pilot, around edge, THE OLYMPIAD - OF THE AIR; signed at lower left, OSKAR J W HANSEN Sc.

The medal's reverse bears relief of two art deco style winged pilot figures in flight above tower. Above, CHICAGO; Along background arc, 1930 NATIONAL - AIR RACES - 10TH ANNIVERSARY

Oskar Hansen (1892-1971) designed this art deco bronze medal to celebrate the 1930 National Air Races that took place in Chicago. It was the 10th anniversary of the races and the first year for The Thompson Trophy. Hansen is best known for his bronze works in connection with The Hoover Dam.

This medal measures 63mm (2.5in) in diameter and was struck by the Medallic Art Company of New York.