Check for the $150,000 Duplicate Serial Number Error com, some dollar bills printed in 2014 and 2016 feature a mistake from the US Bureau of Engraving and Printing that could make them worth $150,000 ...

There is a strange little symbol hiding on every dollar bill, and no one can agree on what it is. Some say it's a spider. Others insist it's an owl. And for conspiracy theorists, it's a symbol tied to ...