A collection of Chinese jade bi-discs

Han dynasty (220 BC-206 AD) and later
Comprising a disc carved with chilong; a disc carved in relief with mythological animals; a circular clasp carved with chilong; and three discs variously carved with scrolls and raised bosses.
Diam. 6.7 cm (the largest)
Provenance:
- Private collection, the Netherlands (assembled from 1950 till the 1990's)
- By descent to the present owner
(6x)