Sonia Delaunay (1885-1979) Rhythms and colors. 1971. Lithograph. [175 x 350]. Color print. Proof on ivory vellum, from the first edition of 75 proofs for the eponymous work, numbered and signed in pencil, margins trimmed laterally. Small russet stains in the upper quarter of the folio. Joint: La Rochelle. Circa 1970-1971. Stencil in color. [255 x 225]. Proof on ivory vellum, numbered and signed in pencil (not guaranteed), margins trimmed. (This subject was used as a greeting card). Ens. 2 p.