Carved with white jade from area of Qijia culture, this jade bi is seen rectangular flavored round shape with unidirectional hole. Similar item seen as the one Huang Liang Liang Tai,Wuwei City, Gansu Province..Antiquity evidences include additive crystal, diffusive marking and differential weathering.
- quality of jade: 9
- rareness: 9
- historical and cultural significance: 9
- workmanship: 9
- condition: 10