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Burkhard Mangold (1873-1950), DAVOS, estimate: £18,000.
A stunning collection of advertising posters seized by Nazi Josef Goebbels are tipped to sell for £200,000 after a 50 year fight to have them returned to the family of the Jewish owner.
Dr Hans Sachs was a German-born Jewish dentist in Berlin when he was detained by the Gestapo and his collection of 12,500 lithograph prints were confiscated by the propaganda minister so they could be housed in a museum.
His family discovered in 2005 that the collection had survived and managed to recover it. A hundred of the posters are now being sold by Christie's in London.