Details SONIA DELAUNAY (1884-1979)Contrastes simultanéssigned with initials, dated and numbered SD. 13 No. 798. (lower right)watercolor on paper17 1/4 x 21 1/2 in. (43.8 x 54.6 cm.)Painted in 1913 Provenance Gimpel & Hanover Galerie, Zurich.Erna and Curt Burgauer, Zurich (acquired from the above, 1965); sale, Christies, London, 30 April 1999, lot 138.Private collection, Switzerland (acquired at the above sale); sale, Christies, London, 28 February 2018, lot 296.Acquired at the above sale by the present owner. Exhibited Zurich, Gimpel & Hanover Galerie and London, Gimpel Fils Gallery, Sonia Delaunay, October 1965-February 1966, no. 16.Paris, Musée national dart moderne, Rétrospective Sonia Delaunay, December 1967-January 1968, p. 40, no. 46 (illustrated, p. 43). Post lot text Jean-Louis Delaunay and Richard Riss have confirmed the authenticity of this work. Conditions of sale