Lot 2. A large greyish-green, brown and opaque buff jade cong, possibly Eastern Zhou dynasty, 6th century BC. Estimate HK$150,000 – HK$250,000 ($19,429 - $32,381). Photo Christie's Image Ltd 2016

The broad body with flat, thick-walled sides between circular collars of equal height, the greyish-green stone now with brown and extensive opaque buff alteration. 7 5/8 in. (19.7 cm.) high, wood stand

Provenance: The Collection of Robert H. Ellsworth, New York, acquired in Hong Kong, 1989

Christie's. THE PAVILION SALE - CHINESE CERAMICS AND WORKS OF ART, 5 April 2016, Hong Kong