Appraisal: European Marble & Brass Mantel Clock, ca. 1880. Check out John A. Delaney's appraisal of European Marble & Brass Mantel Clock, ca. 1880 in Cleveland Hour 2. Aired 05/16/2016.

At Sotheby’s, for example, an unsigned 18th century Louis XVI gilt-bronze and marble mantel clock sold in October for €30,240, six times its low estimate. And last summer an Atmos 561 clock ...