According to analyze the excavated stone molds, thought these molds had been widely used for casting coins before the forth year of Yuan Ding in the West Han Dynasty, for the unsteady monetary system and allowance of ...According to analyze the excavated stone molds, thought these molds had been widely used for casting coins before the forth year of Yuan Ding in the West Han Dynasty, for the unsteady monetary system and allowance of private casting during that time, the simple technique of stone mold had become the best choice.展开更多
文摘According to analyze the excavated stone molds, thought these molds had been widely used for casting coins before the forth year of Yuan Ding in the West Han Dynasty, for the unsteady monetary system and allowance of private casting during that time, the simple technique of stone mold had become the best choice.
