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Double roll sand making machine order

A replica of a genuine coin created by making molds of the obverse and reverse then casting base metal in the molds A seam is usually visible on the edge unless it has been ground down Castaing machine A machine invented by French engineer Jean Castaing that added the edge lettering and devices to early US coins before they were struck

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Kexue Revenue, High and New Technology Industrial Development Zone, Zhengzhou, China

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