Unissued pass to the ballooning events at the Paris 1900 Olympics, 4.5 x 3, imprinted at the top: "Exposition Universelle Internationale de 1900, Concours de Ballons, du 9 au 15 Juillet 1900." Marked as "No. 37." Despite satisfying selection criteria for official Olympic events, the hot air balloon competitions have generally not been classified as official. During these events, aeronautical pioneer Henry de La Vaulx set two world records for distance and duration piloting a balloon flight.
