Lot 3165. An openwork jade carving of two birds, Jin dynasty (1115-1234); 2 1/8 in. (5.3 cm.) longEstimate 100,000 - HKD 150,000. Price realised HKD 137,500© Christie's Images Ltd 2014.  

Carved as a swan in an upright position bending its long neck to one side, utilising the creamy and russet part of the stone, surmounted by a smaller bird and ornamental rock highlighted by the darkish-grey section of the stone.

Christie's. Important Chinese Ceramics and Works of Art,  Hong Kong, 26 November 2014