Snuff box in shape of a man with turban

Box in form of a Moor's head; hinged cover; box and cover carved from single pieces of amethyst quartz in such a way that the natural white portions of the stone form the turban; surface highly polished except that hair is mat cut; eyes of moonstone with platinum (?) pupils at front and on left side of turban, applied floral ornaments set with rubies, turquoise and diamonds in gold and silver mounts; earrings each set with a rose diamond and small cabochon emerald; gold rims of box and cover carved with flame moldings and small scrolled thumb-piece.