One-of-a-kind 18k yellow gold hinged black jade cuff with an 18k yellow & white gold Maltese cross with white enamel edging, set with a central round faceted pink tourmaline, outer round faceted dark green tourmaline, cushion-faceted orange spessartite garnet, light green beryl cushion,one round faceted peridot and 28 round rose-cut diamonds, circa 1870