Tryptic of Offset Lithographs 1x29x20cm + 1x29x71.5cm + 1x29x20cm plus framings. Each of the 3 signed by Andy Warhol during the promotional tour of the book “Exposures” in November 1979. In the Tate Gallery
Museum collection. In November 1979 : Andy Warhol promoted "Exposures" and  went on a promotional tour lasting more than three weeks to hype the book, Washington D.C. was the first stop on the tour. At a dinner
for "a dozen capital grandees" at the Jockey Club at the Ritz-Carlton Hotel, Fred Hughes offered the wife of Senator John Heinz some cocaine while the Senator was interviewing Warhol for the television show, 20/20.