1．明中期私铸盛行下的物价明初，太祖洪武二十七年八月，实行纯纸币流通制度，开始禁用铜钱①。明初曾出现的私铸，遂因止用钱而暂歇。自洪武三十一年太祖崩起，至万历朝之前共经十二朝，历时174年，据明各朝《实录》、《明会典》 1. In the mid-Ming Dynasty under the prevalence of private casting In the early Ming Dynasty, Taizu Hongwu twenty-seven years in August, the implementation of pure paper currency circulation system, began to disable the copper money ①. At the beginning of Ming Dynasty there had been private casting, then suspended for money only. Since the great thirties of Hongwu collapsed in the reign of Emperor Hongwu and passed through the twelve dynasties before the Wanli Dynasty, which lasted 174 years, it was said that each dynasty “recorded”, “Ming Hui Dian”