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DescriptionKaiyuan Tongbao (開元通寳) - Blue patina, crescent above the square central hole on the reverse - Dr. Luke Roberts.png
English: This is an example of a middle period Kaiyuan coin, when half moons started appearing on the back of the coin. the greay blue patina highlights the characters very well, and the Tong character is written in a way to highlight the rhythmic waviness.
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This is an example of a middle period Kaiyuan coin, when half moons started appearing on the back of the coin. the greay blue patina highlights the characters very well, and the Tong character is written in a way to highlight the rhythmic waviness.
Uploaded a work by Dr. Luke Shepherd Roberts from [http://www.history.ucsb.edu/faculty/roberts/coins/Chinese%20coins/Tangetc.html Tang Dynasty (618-907) and the subsequent Ten States Five Kingdoms era (907-960 or so)] (University of California at Santa Barbara). with UploadWizard
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