Masters Week in New York is comprised of seven sales of paintings, drawings and sculpture including important works spanning across four centuries and two distinct, impressive single owner collections formed by Dr. John O’Brien and Hester Diamond. To learn more about the visionary collector Hester Diamond click here. Major highlights of the week include Sandro Botticelli’s masterpiece Young Man Holding a Roundel, one of the most significant portraits of any period ever to appear at auction and a rare biblical masterpiece by Rembrandt van Rijn depicting Abraham and the Angels (22-30 January 2021, New York).