Verdura is showcasing the works of two of the most important jewelers of the 20th century, Fulco di Verdura and Suzanne Belperron, during a 2-month exhibition and sale. The presentation at Verdura’s Fifth Avenue salon in New York will feature over 70 pieces that span the late 1930s through the 1960s. Signature designs include Verdura’s platinum-and-diamond feather ear clips, which were commissioned by Brooke Astor in 1956 as a pair of brooches. The set features 275 round diamonds weighing 16.58 carats, along w…