Don't use that ten to pay for your lunch without giving it a second look. Knowing which 10-dollar bills are worth money can help make sure you don't trade a treasure for your tuna sandwich.

VERIFY reader Kathy reached out to ask about advertisements they saw claiming $2 bills are now allegedly worth more than $2.

valuable bill in their wallet or in the back of a drawer somewhere. While it’s unlikely that the average person will stumble upon paper currency worth tens of thousands of dollars, there’s ...