17. 17AR SONIA DELAUNAY (1885-1979) Colourful rhythm, Circus signed, inscribed and dated 'Sonia Delaunay 1952 343' (lower right) gouache on paper mounted on canvas Painted in 1952 77 x 57.5 cm. The authenticity of this work has been confirmed by Richard Riss. A certificate will be provided at the buyer's expense. Provenance Galeria del Naviglio, Milan, 1963. Collection Jacques Damase, France. Private collection, France. Exhibitions Milan, Galleria del Naviglio, Sonia Delaunay, 29 September - 4 October 1956 (Then travelled to Venice, Galleria del Cavallino and Rome, Galleria Selecta). Bielefeld, Kunsthaus, Sonia Delaunay, 1958, 14 September - 26 October 1958, no. 194. London, Book street Gallery, Sonia Delaunay, May 1961, no. 43, (illustrated p. 343). Bibliography S. Baron, Sonia Delaunay, sa vie, son œuvre, 1885-1979, Paris, 1995, no. 67, (illustrated p. 132).