A French gilt-bronze and champlev enamel mounted green onyx striking four glass mantel clock, last quarter 19th century

A French gilt-bronze and champlev enamel mounted green onyx striking four glass mantel clock, last quarter 19th century
The serpentine fronted case with stepped top with urn finial, with baluster columns to the front angles, on toupie feet, with polychrome enamel bezel to the white enamel Roman and Arabic dial painted with floral swags, filigree mount to the centre, the twin barrel movement with strike on gong, stamped on the backplate for VINCENT, with enamel decorated twin jar mercury pendulum -- 17in. (45cm.) high