Alexander Calder, Rouge Triomphant (Triumphant Red), 1959–65, Sheet metal, rod, and paint, 110 x 230 x 180 inches, © 2013 Calder Foundation, New York/Artists Right Society (ARS), New York / Jean Prouve, Chaise Metropole n° 305, variante avec assise et dossier aluminium, 1953, Steel sheet, steel tube, plywood, 30 11/16 x 15 3/4 x 16 1/8 inches, Courtesy Galerie Patrick Seguin