Shao Sheng Tong Bao 1094-1097
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招聖通寳
Dr. Luke Shepherd Roberts
Attribution
<a rel="nofollow" class="external text" href="http://www.history.ucsb.edu/faculty/roberts/coins/Chinese%20coins/NSongtwo.html">Northern Song Dynasty (full length 960-1126) - Part Two 1067-1126</a> (University of California at Santa Barbara).