Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 26.10 millimetres Weight: 6 grammes Thickness: 2.70 mill...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 24.90 millimetres Weight: 3.50 grammes Thickness: 2 mill...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 25.40 millimetres Weight: 4 grammes Thickness: 2.30 mill...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 24 millimetres Weight: 3.06 grammes Description: Cast co...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 25 millimetres Weight: 4.50 grammes Thickness: 2.40 mill...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 25 millimetres Weight: 4 grammes Thickness: 2.70 millime...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 30.90 millimetres Height: 13 millimetres Weight: 5 gramm...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 25.10 millimetres Weight: 3.50 grammes Thickness: 1.90 m...

Period:Northern Song dynasty Production date:1039 (first issued) Materials:copper alloy Technique:cast Dimensions:Diameter: 26 millimetres Weight: 4 grammes Thickness: 2 millimetre...