signed in ball-point pen on the reverse upper sheet edge, stamp-numbered 182/250 (there were also 26 artist's proofs lettered A-Z), published by Factory Additions, New York, the full sheet, framed
Lot Details
signed in ball-point pen on the reverse upper sheet edge, stamp-numbered 182/250 (there were also 26 artist's proofs lettered A-Z), published by Factory Additions, New York, the full sheet, framed