Sonia DELAUNAY (1885-1980) Magic of rhythms, 1962 Gouache and chalk on paper mounted on panel. Inscription lower left: 986 H. 35 x W. 26.5 cm Provenance : - Galerie Schütze (label on reverse) - Private collection, Switzerland - His sale Koller Auctions lot 3253, 5 December 2015 We would like to thank Mr Richard RISS for confirming that this work entitled Magie des rythmes, Paris, 1962, gouache and black pencil on paper, numbered F. 986, unsigned and undated, is indeed in Sonia Delaunay's archives. It states that it is one of the projects for an engraving. The certificate can be requested from Mr Richard RISS at the buyer's expense.