Outer Diameter: 3.7 inches. Inner Diameter: 3 inches. Thickness: 0.2 inches. Outer Diameter: 9.45cm Inner Diameter: 7.58cm Thickness: 0.62cm Weight: 36g 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.