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Baris 12: \| Thickness_inch = \| Thickness_special = <!-- used for specialized formatting, or adding references to infobox--> \| Composition = [[Perunggu]],{{efn\|The majority of Kaiyuan Tongbao coins were made from bronze.}} [[~~timbel~~timbal]], [[Seng\|"perunggu putih"]], [[besi]],{{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.}} [[perak]], atau [[emas]]<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> \| Years of Minting = 621–907 \| Mintage = <!-- used with single issue coins, or the total for the series if known -->

Kaiyuan Tongbao: Perbedaan antara revisi