Raoul Dufy (1877-1953) Naval Festival. 1921. Lithograph. At sight : 520 x 385. I.F.F. 23. Very nice trial proof on vellum of a part of the colored stones (blue, brown, red), largely enhanced with pastel, colored pencils and watercolor in view of the establishment of the final colored stones, annotated "maquette au paste[l]" and signed with the initials. Oxidation to the edges of the sheet. Margins. Final print of 33 proofs. Frame (on the back in a cutout of the frame background, handwritten certificate of André Robert dated 1957).