20th Anniversary (Montreux Jazz Festival) by Andy Warhol (after). This screenprint in colors on Arches 88 paper was created in 1986. With signatures of Warhol and Haring printed within the print and the estate and foundation stamps verso. Numbered in pencil, from the original unsigned edition of 80. Published by Grosset and Dunlap, Inc., New York, and printed by Rupert Jason Smith, New York.