Certificate issued to William E. Boeing by the Daniel Guggenheim Fund for the Promotion of Aeronautics, circa 1934. Awards Boeing the Daniel Guggenheim Medal for "successful pioneering and achievement in aircraft manufacturing and air transport."
Composite photograph of two unidentified men with William E. Boeing's racehorse, Porter's Mite, and Porter's Mite during a race, September 17, 1938.Inscription: "C. C. Cook - photos - New York. 'Porter's Mite' - B. James up. Winner Champagne Stks -…
Photographic portrait of Clairmont "Claire" L. Egtvedt, circa 1950s.Inscription on mat: "To Bertha and Bill Boeing, For a lifetime of friendship -Claire." Stamped: "Chao-Chen Yang, APSA."
Photograph of William E. Boeing (right) and an unidentified man sitting outside, circa 1910s. Image was included in a letter from Claire L. Egtvedt to William E. Boeing.