Lot 377, An archaistic crayish-celadon jade 'chilong' bi-disc, 17th-18th century. Estimate 5,000 — 7,000 USD. Photo: Sotheby's.

of circular form with a central aperture, carved on one side in high relief with two playful chilong, one biting on the bifurcated tail of the other, while the other grasping a lingzhi sprig in its mouth, the reverse carved in low relief with two confronting chilong with their tails interlocked together, the stone with some dark russet inclusions. Height 5 5/8  in., 14.2 cm

Provenance: Mary Morrison, Vancouver.

Sotheby's. Important Chinese Art, New York, 16 Mar 2016, 10:00 AM