William S. Burroughs, Apocalypse

KEITH HARING (1958-1990) Haring, K. William S. Burroughs, Apocalypse the complete set of ten screenprints in colours, 1988, on Museum Board, with title, text by William S. Burroughs on acetate, and justification, each signed, dated and numbered 67/90 in pencil (there were also twenty artist's proofs and five hors commerce sets), published by George Mulder Fine Arts, New York, with the artist's and publisher's copyright inkstamps on the reverse, the introduction signed in black felt-tip by the author, with the original black cloth-covered portfolio Sheet 965 x 965 mm. (each)