A DIRECTOIRE ORMOLU, MARBLE AND ENAMEL STRIKING SKELETON CLOCK, with calendar, the arched frame applied with a nocturnal blue enamel jewelled with stars and silver roundels, the white enamel annular chapter ring with roman chapters signed Ridel AParis with inner calendar ring, pierced giltmetal hands and blued calendar hand within a similar blue enamel band with eagle surmount, the visible dial centre showing the calendar work of the later twin going barrel movement with anchor escapement and signed Payne & Co. London, the frame on bardiglio columnar plinths supported on a beaded griotte marble rectangular base, with later ebonised oval stand to support a glass dome