This poster printed by The Erie Litho Co. c. 1937, has stunning visuals of a 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 the poster reads "Airplane Travel Made Safe - For Startling New Arial Feats At Lofty Heights By The Great Qualterios And The Greatest Mid-Air Display Ever Witnessed." One of the most sensational circus posters ever offered!