Period:Unknown Production date:3300BC-2200BC Materials:jade Technique:polished (?), drilled, Dimensions:Diameter: 34.20 centimetres Description: Disc-bi of opaque and variegated gr...

Period:Warring States period Production date:5thC BC - 2ndC BC Materials:jade Technique:carved, incised, Dimensions:Diameter: 18.50 centimetres Description: Fine and large jade rin...

Period:Shang dynasty Production date:1500BC-1050BC Materials:jade Technique: Dimensions:Diameter: 4.60 inches Description: Bi. Made of jade (grey-white), pigment (red). IMG Comment...

Period:Unknown Production date:1050BC-221BC Materials:jade Technique: Dimensions:Diameter: 6 centimetres Description: Bi (miniature). Made of jade (brown). IMG Comments:

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:Han dynasty Production date:206BC-220 Materials:glass Technique: Dimensions:Diameter: 11.50 centimetres Description: Bi (part of). Made of green glass. IMG Comments:

Period:Eastern Zhou dynasty Production date:4thC BC Materials:soapstone Technique:incised Dimensions:Diameter: 15.80 centimetres Description: Disc, 'bi'. Made of soapstone (steatit...

Period:Han dynasty Production date:206BC-220 Materials:jade Technique: Subjects:dragon Dimensions:Diameter: 14 centimetres Description: Bi disc, made of yellow-white jade. Remains ...

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:Unknown Production date:3300BC-2200BC Materials:jade Technique:drilled Dimensions:Diameter: 22.50 centimetres Description: Disc-bi of opaque and variegated brownish yellow s...