Period:Warring States period Production date:5thC BC - 2ndC BC Materials:jade Technique:incised Dimensions:Diameter: 10.80 centimetres Description: White altered jade disc bi worke...

Period:Eastern Zhou dynasty Production date:475BC-220AD Materials:jade Technique: Subjects:bird phoenix Dimensions:Diameter: 14.20 centimetres Description: Bi. With phoenix border....

Period:Neolithic Period Production date:4000BC-2000BC Materials:nephrite Technique:cut, polished, incised, Dimensions:Diameter: 21.60 centimetres Description: Disc-bi of semi-trans...

Period:Eastern Zhou dynasty Production date:4thC BC-3rdC BC (circa) Materials:jade Technique:carved Subjects:insect Dimensions:Diameter: 5.63 inches Description: Bi. Silkworm. Made...

Period:Han dynasty Production date:206BC-220 Materials:jade Technique: Dimensions:Diameter: 14 centimetres Description: Bi disk. Both sides covered with a series of romboids. Made ...

Period:Han dynasty Production date:2ndC BC-2ndC AD Materials:jade Technique:polished, incised, bevelled, Subjects:bird phoenix Dimensions:Diameter: 18 centimetres Description: Disc...

Period:Shang dynasty Production date:15thC BC-10thC BC Materials:jade Technique:polished Dimensions:Diameter: 8.60 centimetres Description: Collared disc - bi of semi-translucent y...

Period:Neolithic Period Materials:jade Technique: Dimensions:Diameter: 19.70 centimetres Description: Bi. Made of jade (grey.brown). The hole has been only worked from one side. IM...

Period:Neolithic Period Production date:4000BC-2000BC Materials:jade Technique:drilled Dimensions:Diameter: 22 centimetres Description: Disc-bi of semi-translucent spinach green ja...

Period:Unknown Production date:3300 BC-2200 BC (circa) Materials:jade Technique: Dimensions:Diameter: 12.50 centimetres Description: Jade 'bi' (disc). IMG Comments:Rawson 1992:The ...