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Copying US currency
Color printers, scanners and copiers make it surprisingly easy to replicate U.S. or foreign currency. But it is illegal to print your own money, even if all you want to do is make play money for the kids.
It's OK to reproduce U.S. currency only if you follow the guidelines established by the U.S. Secret Service, according to Claudia Dickens, a spokeswoman for the U.S. Bureau of Engraving and Printing, part of the U.S. Treasury in Washington.
"If you make a copy of currency, it has to be at least 150% larger than what you and I carry in our wallets or 75% of its normal size. If you make it in color, you can only do one side," Dickens says.