1968
sheet: 53.1 x 53.1 cm (20 7/8 x 20 7/8 in.) frame: 61.4 x 61.4 x 3.2 cm (24 3/16 x 24 3/16 x 1 1/4 in.)
[G.W. Einstein, Co., Inc.], sold; to the Harvard University Art Museums, 2000.
Screen print in black and white