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 Silver "snake" coins, which are issued by the People's Bank of China, are for sale in Yangzhou, Jiangsu province. [Meng Delong / Asianewsphoto]  | 
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 Silver "snake" coins, which are issued by the People's Bank of China, are for sale in Yangzhou, Jiangsu province. [Meng Delong / Asianewsphoto]  |