161. A mantel clock in griotte red marble with a gilt-bronze mount, first half of the 19th century The Griotte marble panels feature a decoration of gilt-bronze foliage friezes. (signs of wear, missing parts, oxidation, no keys, no balance wheel, movement in need of servicing), 29.5cm wide, 20cm deep, 51cm high (11 1/2in wide, 7 1/2in deep, 20in high).