清朝灭亡之后，1912年4月袁世凯出任大总统。北洋政府鉴于当时铸币、纸币十分复杂，流通的中外货币在百种以上，规格不一，流通混乱，折算繁琐，民众积怨，同时也想借助货币改制以解决军费问题，便决定铸发国币。袁世凯为了提高自己的统治地位，把他的头像铸于币面，"袁大头"由此而来。（After the demise of the Qing Dynasty, Yuan Shikai became the president in April 1912. In view of the complexity of coinage and banknotes at the time, the Beiyang government had more than one hundred kinds of Chinese and foreign currencies in circulation, different specifications, confusing circulation, complicated calculations, and grievances. At the same time, they also wanted to use currency reform to solve the military problem, and decided to cast the national currency. In order to improve h
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