A good French Empire ormolu striking portico mantel regulator, Ledure bronzier, circa 1815

12.5-cm enamel dial with Roman numerals signed Ledure Bronzier à Paris and Stiennon hr., fine gilt Breguet hands and steel sweep seconds, movement with pinwheel escapement mounted on the backplate, heavy gridiron pendulum with adjustment to the crutch, countwheel bell striking lacking hammer, ormolu case with moulded stepped top and ribbon mount, supported by four columns mounted on a rectangular moulded plinth