Period:Unknown Production date:BC3500 (circa (possibly)) Materials:jade, nephrite, Technique:ground, incised, Subjects:monster Dimensions:Length: 3.90 centimetres Description: Frag...

Period:Qing dynasty Materials:jade Technique:pierced, ground, carved, Subjects:bird,flower Dimensions:Length: 6.30 centimetres Description: White oval jade ornament-plaque, decorat...