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A twenty doesn't buy what it used to, but some rare 20-dollar bills can actually be worth a lot. Knowing what to look for can ...

Native American Sacagawea has been featured on the gold dollar coin since 1999 ... and Native American Pocahontas in a group photo on the $20 bill from 1865 to 1869. The Treasury Department ...

Currently, the U.S. Federal Reserve (Fed) issues dollar bills in seven denominations: $1, $2, $5, $10, $20, $50, and $100 ... they can issue a check back to the consumer,” a Fed currency ...