Clock. Culture: American. Dimensions: 18 1/8 x 20 1/8 x 7 3/4 in. (46 x 51.1 x 19.7 cm). Maker: Tiffany & Co. (1837-present). Date: ca. 1885. Tiffany & Co. marketed this ormolu and marble mantel set in about 1885. The set, consisting of a clock and a