Description A Louis XVI ormolu-mounted black marble mantel clock `pendule portique`,Late quarter 18th century,The black marble case decorated with gilt bronze caryatid terms, putti and an eagle, the enamel dial with Roman numerals, the mechanism with an anchor escapement and a spring suspended pendulum (of later date), the striking mechanism with a countwheel, striking once on the half hour and the whole hour in full on a silver amalgamated bell.,65x45x12 cm,Mechanism in working order, with key.,