Lot 370. A jade pendant, huang, and a cong ; the huang: Neolithic period, Qijia culture, the cong: probably Western Zhou dynasty. Estimate 30,000 — 50,000 HKD. Photo: Sotheby's

the huang of arched form with a small aperture to both ends; the cong of square section with a short neck and foot, wood stand; both stones of a variegated celadon and russet-brown colour - 12 and 6.1 cm, 4 3/4  and 2 3/8  in. 

Sotheby's. Chinese Art, Hong Kong, 01 juin 2017, 02:00 PM