French black slate mantel clock, the front with malachite inlays and gilt incised line decoration, gilt bezel case front and back with beveled glass, Roman numeral white enamel dial with recessed center, and exposed Brocot escapement, blued steel Breguet

French black slate mantel clock, the front with malachite inlays and gilt incised line decoration, gilt bezel case front and back with beveled glass, Roman numeral white enamel dial with recessed center, and exposed Brocot escapement, blued steel Breguet style hands, 8 days, time and strike, Pendule a Paris movement marked S. Marti, pendulum with large brass ball and steel rod, c1880 case with a few minor flakes, malachite inlay at center of base missing, bezel, glass frames, and pendulum painted gold, dial with hairlines, hands with minor oxidation and loss of blue, hand washer and taper pin missing, movement back plate painted gold, ticks and strikes, Ht