Diameter inside 8 cm.
Diameter exterior 10,2 cm.
PROVENANCE
Purchased in 1996 from Mr. Frank H. Crane, a Canadian antique dealer.
His shop, "The Hundred Antiques" was located in Stirling, Ontario, Canada.
Reference: "Chinese jade selected articles from Orientations 1983-1996" p. 102, fig. 4.a