Worldwide, Balloon Covers & Stamps, 1909-1977. Powerful display of stamps, covers, collateral material such as vignettes, labels, autographs, photographs, postal cards, and much more, in 4 thick 3-ring binders, including a study of the postal history of the Gordon Bennett Balloon Races, which were held between 1906 and 1938, first staged in Paris and finally in 1938 at Liege, Belgium; there are a vast array of items, especially for the 1909-1910 Race, 1912 Stuttgart with many vignettes, 1930 Cleveland with foreign commemorative covers; 1932 Basel; 1933 Chicago including Piccard Stratosphere ascent; 1934-35 Warsaw with a number of Polish covers; Russia with 1933 Balloon set mint, used & on cover; 1934 USSR "Osaviakhim" Disaster stamps & on cover; Poland balloon souvenir sheet several mint & used examples, + covers; autographs of Piccard, Esnault-Pelterie, Arthur Compton, and many others; detailed examination will be greatly rewarded. Estimate  $1,000 - 1,500. $0