Neolithic period, circa 3000-2000 B.C.
Diameter 13.3 cm
The smooth disc with central aperture drilled from one side, the semi-translucent stone of greenish-white color.
Compare the similar jade disc, attributed late Neolithic, The British Museum, London, (registration number 1909,0506.7)
Appraised by Mr. Bernstein, an internationally recognized specialist dealer in Chinese antiquities.
'Chinese Jade from the Neolithic to the Qing'
Section 7, Cong and discs