Outer Diameter: 3.1 inches. Inner Diameter: 1.5 inches. Thickness: 0.2 inches. Weight inches. Outer Diameter: 8cm Inner Diameter: 3.93cm Thickness: 0.5cm Weight 44g Condition: good condition overall, minor faults and wear due to age. Provenance: From a Long Island Estate of Mr. and Mrs. Woldi, who was a major collector of Chinese and Asian Arts and Antiques for the past 40 years.