Ming dynasty
The rounded sides are carved in low relief with celestial animals including a turtle, a tiger, a snake, a bird and a hare pounding the elixer of long life, below 'ruyi' shaped cloud, the semi-translucent stone of a greyish-green tone with opaque and russet area encircling the sides.
8 cm across
Provenance: A former Dutch diplomat in Beijing, acquired in the late 1950s