Yoko Ono, John Lennon. War Is Over! If You Want It. c. 1972
Yoko Ono (Japanese, b. 1933), John Lennon (British, 1940–1980). War Is Over! If You Want It. c. 1972. Offset 29 15/16 x 20" (76 x 50.8 cm). The Museum of Modern Art, New York. The Gilbert and Lila Silverman Fluxus Collection Gift. © Yoko Ono Lennon
