Andy Warhol 1928 - 1987 Mao signed in ball-point pen and stamp-numbered 48/250 verso screenprint in colours on Beckett High White paper sheet: 915 by 915 mm. 36 by 36 in. Executed in 1972; this impression is number 48 from the edition of 250 plus 50 artist's proofs, printed by Styria Studio, Inc., published by Castelli Graphics and Multiples, Inc., New York.