A RUSSIAN MID-19TH CENTURY COBALT OVERLAY CUT-TO-CLEAR CRYSTAL CENTERPIECE WITH GILT BRONZE MOUNTS, ATTRIBUTED TO THE IMPERIAL GLASS FACTORY, ST. PETERSBURGa centerpiece with cobalt glass cut in leaf and diamond patterns, surmounted by a palmette-cast rim, mounted atop a four-legged stand with fauns, the circular spreading foot on a polyhedron plinth base; height: 47 cm (18 1/2 in.), diameter: 31 cm (12 1/5 in.) Very good condition .