An exceptional marbles and "pietre dure" mosaic circular top, with more than 200 marble pieces, on a carved wood basement, Rome, early 19th century, circa 1820/1830, attributed to Giacomo Raffaelli (1753 - 1836), 116 cm diameter, 78 cm high, 46 in. diameter, 31 in. high. Some marbles : malachite, porphyre, giallo di Siena, onix, antique green, alabastro, diaspro....