André Masson, an auctioneer at Scottie’s, receives a letter from a lawyer claiming that a common worker in the suburbs of Mulhouse owns a painting by Egon Schiele. André’s first…

André Masson, an auctioneer at Scottie’s, receives a letter from a lawyer claiming that a common worker in the suburbs of Mulhouse owns a painting by Egon Schiele. André’s first…