A FINE SPINACH-GREEN JADE TRIPOD TWO-HANDLED BOWL AND COVER, carved from translucent dark stone flecked with black areas, the body carved in crisp shallow relief on both sides with archaistic long-tailed birds divided by vertical bands of bosses, the sides with two open-work bird-head handles suspending loose rings, the domed cover carved ensuite below an integral globular knop carved and pierced as a coiled dragon, Qianlong