Tong Bei (simplified Chinese: 铜贝; traditional Chinese: 銅貝; pinyin: tóng bèi) literally translated as "Bronze Cowry" or "Bronze Shell", is an ancient coin found in China.

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This coin itself is a replica of more ancient Cowry Money, made for the purpose of replacing it.^[1][2][3]

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.^[4]