Portico clock in white and black moulded marble with ormolu ornaments, such as turned columns, floral falls with musical instruments, rosettes, friezes of palmettes, stars, with pillars and movement topped by spinning tops or vase, and resting on four pallet feet. White enamelled dial, unsigned, with Roman numerals for the hours and Arabic numerals for the minutes, in black. Mechanical movement with key winding. Wire suspension. Late 18th or early 19th century. H. 54 cm - Width : 36 cm - Depth : 9 cm. Some cracks and chips to the marbles; some wear and scratches to the gilding and points of oxidation.