Tong Bei () literally translated as "bronze cowry" or "bronze shell", is an ancient coin found in China.
This coin itself is a replica of more ancient cowry money, made for the purpose of replacing it. A snap shot view of The History of China by YK Kwan Shang Dynasty Economy Encarta
A cowry shell or bronze cowry was denominated in bèi (貝) and string of cowry shells was called a péng (朋) however it is not known how many bèi were in a péng.Chinesecoins.lyq.dk (ancient Chinese coinage) - weights and units in Chinese coinage by Lars Bo Christensen. Retrieved: 13 August 2018.
References
External links
Money in Ancient China.