Physical Parameter:
Diameter: Out Rim, 17.6 cm; Inner Rim, 3.7 cm; Thickness, about 2.5 mm.

Weight: 247 Grams.

Authenticity Guaranteed.
When in dispute, the seller is willing to accept the authenticity and appraisal report by preferred members from the American Society of Appraisers, the analysis report with Thermoluminescence from reputable institutes, or Chinese ancient art department from top auction houses in the world. The opinion of appraisers from any other auction houses, art collectors (even distinguished ones), and other so-called experts will not have any bearing on the authenticity of this item.

However, you always have the 14 days return window, during which time you only need to pay return shipping fee.
 
Shipping rate: USA, $25.00, and International, $50.00. No sale to European Union Member Countries and Australia.