19x27.5” poster printed by The Erie Litho Co. c. 1937. Poster has stunning visuals of pair of “RB” airplanes flying around with a female acrobat hanging upside-down from underneath each one. An additional 17 female acrobats are seen performing feats of agility on suspended ladders. Text of poster reads “Airplane Travel Made Safe - For Startling New Aerial Feats At Lofty Heights By The Great Qualterios And The Greatest Mid-Air Display Ever Witnessed.” Poster has some aging and touch-up along margins which could be easily matted out for an Exc. display. One of the more sensational circus posters we have offered.