A printing error made around a decade ago resulted in millions of $1 bills with a rare misprint. Here's what to look for.

While most of the front and back part of the bill is produced in this way, the Treasury seal, Federal Reserve seal and serial numbers are not printed with the Intaglio process. The portrait may ...

The Federal Reserve seal is seen before Federal Reserve Chair Jerome Powell arrives to speak during a news conference after the Federal Open Market Committee meeting, Wednesday, March 19 ...