Pop goes the budget: Roy Lichtenstein works expected to raise £26m at auction

Forty of the late pop artist’s distinctive works will go under the hammer at Sotheby’s in New York next monthForty works from the private collection of Roy Lichtenstein, one of the world’s best-known pop artists, will go on sale for the first time at auction next month.The works, comprising paintings, drawings, sculptures and prints, chart four decades of Lichtenstein’s career. They include his shift from abstract expressionism to pop art in the 1960s, his exploration of