Period:Han dynasty Production date:206 BC-220 Materials:jade Technique: Dimensions:Diameter: 18.50 centimetres Description: Bi. With taotie borders. Made of jade (olive-green). IMG...

Period:Qing dynasty Production date:19thC Materials:jade Technique: Subjects:bird phoenix Dimensions:Diameter: 20 centimetres Description: Bi. Taotie heads, and phoenix headed scro...

Period:Shang dynasty Production date:1500BC-1050BC Materials:jade Technique: Dimensions:Diameter: 11 centimetres Description: Bi. Made of jade (green-white.brown). The hole has bee...