A collection of Chinese jade bi-discs
Zhou dynasty (circa 1100-256 BC) and later
Comprising a disc carved with raised bosses; two discs carved with geometrical bands; a plain mottled brown and russet jade disc; a three-part disc carved with scrolls; and a brown jade disc fragment carved with a taotie mask.
diam. 14 cm (the largest)
– Private collection, the Netherlands (assembled from 1950 to the 1990's)
– By descent to the present owner