
1960
Unknown artist, Have a Nice Day, c. 1960–1970. Offset lithographs, sheet: 3 3/4 × 14 1/2 in. (9.5 × 36.8 cm) Image: 3 3/4 × 14 1/2 in. (9.5 × 36.8 cm). Whitney Museum of American Art, New York; purchase, with funds from The American Contemporary Art Foundation, Inc., Leonard A. Lauder, President 2017.10.292