笔者藏有两枚出土于汝州市下程村的三铢古钱,其中一枚还留有当时铸造的浇口(见图)。该币直径24毫米,“三铢”两字看似平常,然字体深峻,包浆自然。关于三铢钱的铸造年代,学术上存有争议,比较权威的说法有两种:一是铸于汉武帝建元元年至建元 The author possessed two ancient baht coins unearthed in Xhacheng Village, Ruzhou City, one of which still had a gate that was cast at that time (see photo). The diameter of the coin 24 mm, “Three baht ” The word appears to be common, but the font deep Jun, the pulp natural. On the three baht coins foundry era, there are academic controversial, more authoritative argument there are two: First, cast in the Han Emperor Wu Jian Yuan the first year to Jianyuan