Bal de la Grande Ourse Russian Avant GardeOriginal vintage event advertising poster for a traditional ball the Bal de la Grande Ourse organised by the Union of Russian Artists of Paris Union des Artists Russes de Paris on 8 May 1925 at the Salle Bullier in Paris. Rare double sided avant garde poster featuring illustrations depicting the Big Bear constellation of stars next to the stylised title text on one side and a lady lying down on the other side with music notes below, and the events