Wayne Thiebaud (b. 1920), Four Pinball Machines, 1962. Oil on canvas. 68 x 72 in (172.7 x 182.8 cm). Sold for $20,137,500 in ONE: A Global Sale of the 20th Century on 10 July 2020 at Christie's in New York. © 2020 Wayne Thiebaud / Licensed by VAGA at Artists Rights Society (ARS), NY