Foshan Gong Bo Rating. According to Baidu map, Foshan Gong Bo Rating is located in Zumiao Road, Foshan City, Guangdong Province. It is one of the authoritative coin appraisal institutions in China, which appraises and grades various coins such as silver, gold and copper coins. Foshan Gong Bo Rating Society will comprehensively evaluate coins according to their appearance, preservation and historical background, and give corresponding rating results and certificates.