A significant collection of Roy Lichtenstein's art will be auctioned by Sotheby's in May, expected to exceed $35 million. The sale includes 40 pieces from Lichtenstein's personal collection, showcasing his artistic evolution from the 1960s to the 1990s. Highlights include works from his studio and rare pieces that have never been publicly displayed. The auction presents a unique opportunity for collectors and fans to acquire a piece of pop art history.