Kaiyuan Tongbao: Perbedaan antara revisi

| Composition = [[Perunggu]],{{efn|The majority of Kaiyuan Tongbao coins were made from bronze.}} [[leadtimbel]], [[ZincSeng|"whiteperunggu bronzeputih"]], [[ironbesi]],{{efn|Iron Kaiyuan Tongbao cash coins were predominantly cast in [[Sichuan]] where there had been a shortage of copper. There is evidence that iron Kaiyuan Tongbao coins also circulated in [[Hebei]] under the Tang dynasty.}} [[silverperak]], oratau [[goldemas]]<ref>{{cite web|url= http://hua.umf.maine.edu/China/Xian/Shaanxi_History/pages/239_History_Museum.html|title= Tang Dynasty 唐代 Gold Coin 金开元通宝.|date=March 2010|accessdate=9 June 2018|work= Marilyn Shea ([[University of Maine at Farmington]])|language=en}}</ref>