Nope. Check US code title 18.Sections 331 and 332 specify that it is illegal to alter coins. The Code mentions altering, scaling, mutilating, defacing, impairing, diminishing and lightening as the illegal forms of coin defacing. Individuals are liable if they create defaced coins, but also if they import, possess, sell or pass them.
Read more: Defacing U.S. Currency Laws | eHow.com
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