A purple marble Louis XVI style mantle clock, later 19th century, with maker's mark for a Chapus, Paris, in fine mottled purple marble, having a black marble dial with gilt Roman numerals and a decorative bezel set within an architectural style plinth with a shaped pediment supporting a marble and ormolu urn, the extended base with cast feet; with key and pendulum. Height 45 cm. Width 24 cm. Depth 15 cm