A large boulle bracket clock and associated bracket circa 1745, Amyrauld

11-inch twenty-four piece enamel cartouche dial, the rectangular plated movement  signed Amyrauld a Paris with outside numbered countwheel and later Brocot escapement, the waisted case veneered with tortoiseshell inlaid with brass, boldly cast rococo cresting, outlined with leaf and shell mounts and with a male figure in 18th century dress seated on the lower door edge flanked by a sun mask, a cockerel and a pelt; the associated and earlier wall bracket applied with a mask and supported by four inward-turning  scrolls