A French Louis XV style gilt brass mounted boulle

A French Louis XV style gilt brass mounted boulle mantel clock retailed by W. Oppenheim, London and Paris, circa 1900, the eight-day striking movement with oval retailer's stamp W. OPPENHEIM, LONDRES PARIS and numbered 500, 87 to backplate, the circular gilt rosette centred blue on white enamel Roman numeral cartouche dial with convex bevel glazed brass bezel, the arched foliate-scroll engraved brass and mottled red shell marquetry veneered case with basket of fruit cast finial to the concave sided surmount above foliate cast crest issuing husk trails to the angles, the apron inset with a Sevres style porcelain plaque decorated with two cherubs at work, the sides with blind brass grille sound frets, the base with scroll cast angle mounts and integral scroll feet with leafy apron between, 37cm (14.5ins) high.