Period:Song dynasty Production date:1111-1117
Materials:copper alloy
Technique:cast
Dimensions:Diameter: 29 millimetres Weight: 7.15 grammes
Description:
Copper alloy coin: Zhenghe tongbao.
IMG
![图片[1]-coin BM-1990-0514.30-China Archive](https://chinaarchive.net/Song dynasty/Miscellaneous objects/mid_00439843_001.jpg)
Comments:
Materials:copper alloy
Technique:cast
Dimensions:Diameter: 29 millimetres Weight: 7.15 grammes
Description:
Copper alloy coin: Zhenghe tongbao.
IMG
![图片[1]-coin BM-1990-0514.30-China Archive](https://chinaarchive.net/Song dynasty/Miscellaneous objects/mid_00439843_001.jpg)
Comments:
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