AN EARLY 20TH CENTURY MALACHITE AND SILVERED METAL MOUNTED DESK CLOCK SIGNED 'TIFFANY & CO.' of rectangular form with a plinth base, with pierced scrolling silvered metal mounts to the corners and sides, the hinged back door with similar decoration, the signed, silvered dial with Arabic numerals, the timepiece movement winding from the back and stamped 'ANGELUS 15' and numbered '134752',  16.5cm high The movement is winding and ticking but not fully tested or guaranteed.