Robert Delaunay (1885-1941) (after) La Tour. Photolithograph after the original lithograph of 1926, from the 1969 print by Jacques Damase under the supervision of Sonia Delaunay. The sheet: 500x650. Very fine and fresh proof on white vellum, numbered, titled and signed in pencil "pour Robert Delaunay / Sonia Delaunay". Full margins. Edition of 75 proofs. Fuchsia pink stamp of the Robert Delaunay studio in the lower right-hand corner of the subject.