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 ...

Some vintage $10 bills, once exchanged at their face value, can now fetch up to $300,000 thanks to numismatics. The worth of these bills isn’t just about their age. It’s the specific details ...