A team of researchers from Zhengzhou University, the Modern Analysis and Computer Center of Zhengzhou University and Peking University, all in China, has found evidence of what appears to be the oldest coin-minting operation ever uncovered. In their paper published on the Cambridge University site Antiquity, the group describes their discovery and study of coins and minting molds found at a dig site in Henan Province, China, and what they have learned about it.
Click here for original story, New record set in China for oldest known coin-making facility
Source: Phys.org