Hetian White Jade Table Screen Hollow Carved with Group Dragons and Auspicious Clouds Hetian bluish white jade seed material with natural jujube red skin, multi-layer hollow carved from single large block fully covered with auspicious clouds, three black dragons traversing sea of clouds, matched with gilt bronze base relief carved with dragon patterns, overall height 28cm, length 31cm, thickness 5.8cm, extremely high difficulty of multi-layer hollow carving, dragon patterns symbolize imperial auspiciousness, mellow jade with natural skin tone, a fine jade display ornament for Qing halls