From Left to Right: Alexander Calder, Untitled, c. 1952, Painted sheet metal, wire, and brass, 13 3/8 x 11 13/16 x 4 3/4 inches (34 x 30 x 12 cm). Alexander Calder, Haverford Variation, 1944, Sheet metal, wire, and paint, 31 x 18 x 12 inches (78.8 x 45.7 x 30.5 cm). Alexander Calder, Red Toadstool, 1949, Sheet metal, wire, paint, 21 x 16 x 8 inches (53.3 x 40.6 x 20.3 cm). © 2015 Calder Foundation, New York / Artists Rights Society (ARS), New York Courtesy Dominique Lévy, New York