Claes Oldenburg, Study for the Poster, New Media—New Forms, Martha Jackson Gallery, 1960. Brush and ink, watercolor, wax crayon, graphite pencil, and collage on paper, 13 1/2 × 9 15/16in. (34.3 × 25.2 cm). Whitney Museum of American Art, New York; purchase with funds from The Lauder Foundation, Evelyn and Leonard Lauder Fund 99.52.1. © Claes Oldenburg