A fine black marble regulator mantel clock garniture, circa 1860s, having a black marble dial with Roman numerals, a visible escapement in a drum above volutes and reeded pilasters flanking a glazed panel showing the mercury filled pendulum, and on a moulded plinth base with verde antico marble detailing; the marble amphorae on plinth bases conforming. Height 46.5 cm. Width 38 cm. Depth 16 cm. Urn height 25.5 cm