Roy Lichtenstein, Property of a European Collector, 1964. Courtesy of Sotheby’s.
Swedish-born American artist Claes Oldenburg holds one of his pieces, a four-foot ice cream cone, at his studio on the Lower East Side, New York City, circa 1965. Photo by Archive Photos/Getty Images.
Correction: A previous version of this article incorrectly captioned the image of Claes Oldenburg in his studio. The caption said his studio was in Greenwich Village, but it was on the Lower East Side. The text has been updated to reflect this change.