From Marsden Hartley’s 1913 Modern masterpiece to Jean-Michel Basquiat’s fiery 1982 diptych, Sotheby’s premiere fall auction highlights reflect many defining moments of the last century of art history. From 16–17 October, more than 40 of these works are on view at Sotheby’s Los Angeles. Click ahead to view a selection of the season's finest art, all on offer at Sotheby’s New York this November.