A late 19th Century black and green variegated marble Mantel Clock, the breakfront plinth-shaped

A late 19th Century black and green variegated marble Mantel Clock, the breakfront plinth-shaped case with scrolling side pieces and overhanging cornice to an inlaid base, to a cast brass bezel set with bevelled glass enclosing a 3 ½” Roman chapter ring with outside minute track and centred with a visible Brocot escapement and blued steel moon hands, signed for Camerer, Cuss & Co, to a circular brass movement with strike on a bell, height 9”