As Trump aims to ax the penny, these are the coins that cost more than they're worth
Data from the U.S. Treasury shows that it costs nearly 4 cents to produce a single penny and nearly 14 cents to produce a ...
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Spend or Save? Why Sacagawea Dollars, Half Dollars & Other Interesting Coins Might Be Worth Keeping
The decision on whether to spend or save coins is usually pretty simple. In nearly all cases, if you don't spend them, then ...