NEOLITHIC PERIOD (CIRCA 6500-1700 BC) OR LATER

Compare to a jade ceremonial blade in the Palace Museum, Beijing, dated as Longshan culture, illustrated in Gugong bowuyuan cangpin daxi: yuqi bian [Compendium of Collections in the Palace Museum: Jade], Vol. 1, Beijing, 2011, no.184; and one on p. 247, no.246, dated as Neolithic period, collection number: Xin151152. Compare also an example from the collection of Eskenazi, and comes from late Neolithic period, see Ancient Chinese Jade: From the Neolithic to the Han, London, 2016, no. 18.