Sonia DELAUNAY (1885-1979) Two works: 1/ "Rythme coloré", colored pencil drawing, inscribed in pencil 18.30 and signed in pencil. Circa 1917. On verso, a certificate from Charles Delaunay attesting to the work's authenticity. 11.5 x 12.5 cm. "and 2/ Carte de vœux, année 1968", lithograph in color, dedicated in ink on the back by the artist "Mes bons vœux pour 1968, Sonia Delaunay", 10.5 x 13.5 cm (small folds in the corners). The composition of this greeting card was used for the poster of the "DELAUNAY" exhibition at the Musée National d'Art Moderne in Paris, which ran from December 2, 1967 to January 7, 1968.

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