Andy Warhol, Cow, 1966 (yellow & pink) 250gsm coated graphic paper Image size 18 x 28 cm (7.1 x 11 in) Paper size 28 x 36 cm (11 x 14.17 in) In a 1966 exhibition at the Leo Castelli gallery in New York City, Warhol covered the walls of the gallery space with wallpaper with repeat images of a cow’s head screen printed in Day-Glo colours. This print comes with a border containing the artists name, print title and publishing details near the bottom edge of the paper.