Fernand LÉGER (1881-1955) The Worker. Poster for an exhibition of the artist's "Les Constructeurs et sculptures polychromes" at the Maison de la Pensée Française, 1951. Lithograph. Sight: 73 x 49.5 cm. Saphire 108. Color print. Fine proof on thin white vellum. Margins. Frame (not examined out of frame). "This is the only original lithographic poster by Léger, and the only lithograph that we know for sure was drawn on stone and not on transfer paper or zinc." (L. Saphire, Fernand Léger, l'œuvre gravé, New York, Blue Moon Press, 1985, p. 170).