LOUIS XV/XVI-STYLE GILT-BRASS MOUNTED WHITE MARBLE ARCHITECTURAL MANTLE CLOCK,19th century; by H. Chapus, Paris. Brass cylindrical case with circular white enamel dial raised on marble demilune shelf supported by four columns resting on demilune plinth base with toupee feet; gilt metal swags; urn-form finial. With key. - H: 19 1/2 in. Estimate $100-200