Henry Graves Jr. and the collector’s gold Patek Philippe minute repeating wristwatch. Reprinted image courtesy of a descendant of Henry Graves Jr. // Mario Schifano, 1967. Photo: Ugo Mulas © Ugo Mulas Heirs. All rights reserved. Artwork: © Mario Schifano, DACS 2019 // Frieze London in 2018. Photo by Linda Nylind. Courtesy of Linda Nylind/Frieze |