JADE NOTCHED BI DISC, XUAN JI

Neolithic period, 3000 –1900 BC
Diameter: 3 3/4 inches, 9.5 cm

玉璇玑

A notched jade bi disc, Xuan ji, of circular shape with three notches to the side. The translucent stone is of predominantly pale green colour with some white and russet markings.

The xuan ji is the symbol of Polaris, the star of the North.