Cup and Saucer

Cup and saucer of enameled and painted metal. Two holes on side of cup (which do not go through to the other side) where a handle used to be attached? Cup: Gold colored metal exposed on interior and around lip. On exterior, a scene of sea gods and goddesses, sea centaurs, and putti, painted in white, gold, and pink on black enamel. Saucer: Gold colored metal exposed along the edge. Decorated with a radially symmetrical pattern of masks, putti and sea-monsters painted in gold, pink, and white on black enamel.