Learning to spot the most valuable 10-dollar bills means knowing what makes them worth so much. We're talking super old currency, special serial numbers, interesting mistakes in printing, and ...

Or maybe this rare $1 bill is in your car's console or that ... 6.4 million pairs of $1 bills were accidentally printed with matching serial numbers; however, only 37 complete pairs have been ...

Yes, some $2 bills are worth more money. Although many $2 bills aren’t worth any additional value, some rare bills have sold ...

From the gold dollar coin to the $10,000 bill, these rare dollar bills and coins (listed ... these notes were smaller in size than standard notes and did not have serial numbers. This note features a ...

a few of those rare dollars were overlooked and are in circulation today. According to Boston 25 News, 6.4 million pairs of $1 bills were accidentally printed with matching serial numbers.