Yoko Ono and John Lennon, WAR IS OVER! if you want it, 1969; offset, 29 15/16 x 20 inches; image via The Museum of Modern Art, New York, The Gilbert and Lila Silverman Fluxus Collection Gift, 2008; © Yoko Ono 2014
Yoko Ono and John Lennon, WAR IS OVER! if you want it, 1969; offset, 29 15/16 x 20 inches; image via The Museum of Modern Art, New York, The Gilbert and Lila Silverman Fluxus Collection Gift, 2008; © Yoko Ono 2014