Lot 691. A small calcified jade cong, possibly Neolithic period, Liangzhu culture (c. 3300-2250 BC); 2.3 cm, 7/8  in.. Estimate 40,000 — 60,000 HKD. Lot Sold 1,375,000 HKD (175,656 USD). © Sotheby's.

each corner carved with a stylised animal mask design, the four faces divided with a gently recessed vertical band in the centre of each side. 

Sotheby's. Chinese Art, including Snuff Bottles and Jades from an Old Hong Kong Family Collection, Hong Kong, 28 november 2019