Liangzhu Culture, circa 3300-2250 B.C.
Length 15 cm, Width 11.3 cm
With slightly rounded lateral edges and beveled cutting edge, the wide central aperture drilled from both sides leaving a narrow ledge in the middle, the semi-translucent olive green stone with cloudy tan altered areas and russet inclusions. The surface polished to a high gloss.
Appraised by Mr. Bernstein, an internationally recognized specialist dealer in Chinese antiquities.
'Chinese Jade from the Neolithic to the Qing'
Section 10, Ceremonial blades