Period:Neolithic Period Production date:4000BC-3000BC Materials:stone Technique:drilled, polished, Dimensions:Diameter: 21.20 centimetres Thickness: 1.40 centimetres Description: D...

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:Unknown Production date:3300BC-2200BC Materials:jade Technique:polished, pierced, Dimensions:Diameter: 18 centimetres Description: Disc-bi of opaque yellowish white and rust...

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:Neolithic Period Materials:jade Technique:polished, carved, pierced, Dimensions:Diameter: 35 centimetres Description: Disc - bi of opaque variegated dark brown, russet and y...

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:8thC BC-2ndC BC Materials:jade Technique:polished (?), incised, Subjects:dragon Dimensions:Width: 4.70 centimetres Description: Pair of ...

Period:Han dynasty Production date:4thC BC- 1stC BC Materials:jade Technique:carved, polished (?), incised, bevelled, Subjects:taotie Dimensions:Diameter: 21 centimetres Descriptio...

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:Warring States period Production date:4thC BC-2ndC BC Materials:jade Technique:polished (?) Dimensions:Diameter: 6.80 centimetres Description: Disc (bi) of white translucent...