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metal   Extraction of nickel from its ores   Chemistry ...

metal Extraction of nickel from its ores Chemistry ...

In 1850, Switzerland became the first modern nation to officially employ in coinage. The U.S. soon followed suit in the 1850s and ’60s when it introduced to penny and five-cent pieces to make them lighter. Though the U.S. five-cent coin only contained 25 percent , it quickly became known as “the .”

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