Lot 145. An Art Deco nephrite and gold Grande Sonnerie desk clock, by Cartier, Circa 1925. Estimate £50,000 - £80,000. Courtesy Bonham's. The rectangular nephrite case, with reeded gold rims, the dial with Roman numerals and black enamel shaped gold hands,...

Diamond Ribbon Bow Brooch, circa 1840. Estimate $200/300,000. Formerly in the Collection of HRH Princess Marina, Duchess of Kent. Photo: Sotheby's NEW YORK, NY.- Sotheby’s announced that it will offer an important selection of jewelry from the collection...