Sotheby's staff member Isabelle Brown looks at a set of Andy Warhol's Campbell's Soup screenprints at the Sotheby's auction rooms in London. (Photo by Sean Dempsey/PA Images via Getty Images)
Sotheby's staff member Isabelle Brown looks at a set of Andy Warhol's Campbell's Soup screenprints at the Sotheby's auction rooms in London. (Photo by Sean Dempsey/PA Images via Getty Images)