A PAIR OF ARCHAISTIC SPINACH-GREEN JADE VESSELS, JUEQIANLONG INCISED FOUR-CHARACTER MARKS AND OF THE PERIOD (1736-1795)Each vessel is carved in the form of an archaic bronze vessel, jue, with two friezes enclosing confronted archaistic dragon and phoenix, the reverse with a taotie mask, all reserved on a leiwen ground divided by notched flanges, rising from three blade-form supports further carved with taotie motifs. The rim is surmounted by two recumbent mythical beasts and a pair of posts carved with whorl motifs. The flat-back vessels when addorsed form the shape of aplete double-spouted jue vessel.5 1/4 in. (13.5 cm.) high, box