15. BROOCH/DIAMOND HALF-SET Forming a bouquet, set on the whole with old-cut and rose-cut diamonds, four detachable flowers that can be transformed into a pair of earrings and a brooch, French import hallmarks for 18K gold (750°/00) and silver (800°/00), dimensions 9.50 x 4.70 cm, total gross weight 50.36 g, accompanied by a case in the shape of Maison A. Hubert & Cie, Brussels.