中华民国三年银元的鉴定特征研究

Study on the identification characteristics of silver dollar in the third year of MinGuo

"袁大头"银元是我国银元史上铸量最多,流通時間最長的银元,在近现代史上起到了积极的作用。本文通过肉眼观察及体视显微镜、扫描电镜等放大观察,系统地研究了银元的外观特征。结合能谱分析结果,对比了真假银元的元素特征,总结出一套简单可行的鉴定方法,对于银元收藏爱好者有一定的应用价值。

'YuanDatou'Silver dollar is the most of casting amount and circulation long in the history of silver dollar,and has played a positive role in modern times. Through observation of the naked eye and magnified by polarizing microscope and scanning electron microscopy,the paper has studied systematically appearance features. Combination with the results of energy dispersive x-ray spectrometer analysis,the paper summaries some simple and feasible appraisal methods and contrast the elementary characteristics of true and false silver dollar. The results have many practical applications for collectors and hobbyists.