Onyx ball pompon pendant mounted in platinum, the hoop set with an old-cut diamond and rose-cut diamonds, belted with rose-cut diamonds, finished with button pearls, sliding on a necklace of button pearls decorated with old-cut diamonds. French work of the years 1925. Height: 8.5 cm approximately. Length of the necklace : 39 cm approximately. Gross weight: 27.2 g A French 1925 pompon pendent