THE ABSENCE OF AN ASSAY SYSTEM  金银检验系统的缺失 HOW CHINA, A SILVER-OBSESSED NATION, MANAGED WITHOUT ONE 为银狂热的中国是如何做到的

A nation with a 1400 year history of silver making and an economy that was obsessed with being silver-based until well into the 20th century, it is strange to learn that it could exist without any assay system. In the 155-year Chinese Export Silver manufacturing period, the vast majority of silver items that were made […]

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