CHINESE JADE PLAQUE 18thc or later, a pale and dark grey plaque of rounded rectangular shape, the lower section to each side carved with a taotie mask, with a circular hole pierced near to each of the 'eyes', below a horizontal band, with further scroll work to the upper rounded section, the stone with striated pale and darker grey sections, with various linear pale brown flaws and small black mottling. 14cms long