Period:Unknown Production date:1621-1627
Materials:copper alloy
Technique:
Dimensions:Diameter: 22 millimetres Weight: 1.97 grammes
Description:
Uniface copper alloy coin: Tianqi tongbao. The edges of this coin have been removed to make it into a square/diamond-shaped piece. (whole)
IMG
![图片[1]-coin BM-1979-0227.131-China Archive](https://chinaarchive.net/Unknown/Miscellaneous objects/mid_COC274557.jpg)
Comments:
Materials:copper alloy
Technique:
Dimensions:Diameter: 22 millimetres Weight: 1.97 grammes
Description:
Uniface copper alloy coin: Tianqi tongbao. The edges of this coin have been removed to make it into a square/diamond-shaped piece. (whole)
IMG
![图片[1]-coin BM-1979-0227.131-China Archive](https://chinaarchive.net/Unknown/Miscellaneous objects/mid_COC274557.jpg)
Comments:
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