Yen was to suspect that the authenticity of the bimaterials, but after repeated examination of banknote, did not find any doubt, plus works in a bank after friend, considered to be a genuine currency.

• 严先生也一度怀疑此币的真伪，可是经过验钞机反复检验，没有发现任何疑点，外加在银行工作的朋友看了之后吗，认为是一张真币。