A 10-spot is always worth at least ten dollars, but some rare 10-dollar bills can be worth a fortune (or at least as much as a small house). Learning to spot the most valuable 10-dollar bills ...

Currently, the U.S. Federal Reserve (Fed) issues dollar bills in seven denominations: $1, $2, $5, $10, $20, $50, and $100. While the $500, $1,000, and $10,000 bills have been out of production for ...