A black marble mantle clock with mercury regulator pendulum, 19th century, with maker's mark for Vincenti Et Cie, the handsome drum head clock enclosing a moulded and gilded bezel, a white enamel chapter ring with Roman numerals and visible escapement, with bold supporting volutes above a long plinth, with delicate floral carved details throughout with gilt enrichments, with key, height 30 cm, length 54 cm, width 15 cm