Q: How many companies in Shanghai have rated old paper money and ancient money?

There are five companies in Shanghai that rate old banknotes and ancient coins. The following are the names of five companies.

1, Shanghai Hua Yao Ancient Coin Co., Ltd.

2. Shanghai Quanguo Ancient Coin Shop

Shanghai ancient coin collection co., ltd.

4. Shanghai Gubi Shi Jia Co., Ltd.

5. Shanghai Heping Xuan Shanghai Antique Store