Period:Neolithic Period Production date:2500BC-1500BC Materials:quartz Technique: Dimensions:Diameter: 1.13 inches Description: Disc. Made of quartz. IMG Comments:

Period:Shang dynasty Production date:15thC BC-10thC BC Materials:jade Technique:polished Dimensions:Diameter: 12 centimetres Height: 1.75 centimetres Description: Collared disc of ...

Period:Unknown Production date:4thC Materials:soapstone Technique:pierced Dimensions:Diameter: 2.80 centimetres Description: Disc made of black soapstone. It is rounded except for ...

Period:Unknown Materials:jade Technique: Dimensions:Diameter: 6 centimetres Description: Disc. Bi (miniature) Made of jade (black.green.white.brown). IMG Comments:

Period:Unknown Production date:? (Han dynasty style) Materials:jade Technique:carved Dimensions:Diameter: 4 centimetres Description: Disc. Made of carved jade (white). 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:Unknown Materials:bronze Technique:cast Dimensions:Diameter: 1.52 centimetres Description: Bronze button with five holes. IMG Comments:

Period:Unknown Materials:copper (?) Technique: Dimensions:Diameter: 2.10 centimetres Thickness: 0.20 centimetres Description: Disc. Made of copper (?). IMG Comments:

Period:Unknown Materials:bone Technique:carved, pierced, Dimensions:Diameter: 2.10 centimetres Height: 1 centimetres Description: Round disk made of bone. It is pierced in the midd...

Period:Ming dynasty Production date:1368-1644 Materials:ivory Technique:carved Dimensions:Diameter: 8.75 centimetres Description: Carved ivory disc decorated with figures on one si...