Arts & Crafts Moonstone and Split Pearl Necklace, Tiffany & Co., c. 1915-20, the large oval cabochon moonstone measuring approx. 30.00 x 16.10 x 10.50 mm, within a platinum bezel with foliate engraving, suspended from a chain of 18kt gold and split pearl lyre-form links spaced by cabochon moonstones in platinum bezels, chain lg. 18 5/8 in., signed Tiffany & Co. on the drop and on the clasp.