Soviet Circus 1957 Acrobat PerformanceOriginal vintage Soviet advertising poster promoting a circus performance by the laureates of the 1st international festival of circus arts Polovnevie featuring a fantastic design depicting a spectacular aerial acrobatic feat of a man supporting a pole from the ground with another man standing horizontally on the pole above holding onto a lady swinging at a great height against the blue background, with the stylised title and text swirling below