Don't think I have ever heard of counterfeiting $1 bills. Interesting.
https://bringmethenews.com/minnesota-news/900k-in-counterfeit-bills-seized-at-border-crossing-in-international-falls
On Saturday, federal officials announced the seizure of $900,000 in counterfeit cash at the International Falls Port of Entry.
According to a release from U.S. Customs and Border Protection (CBP), the bills were found in a rail container that originated in China.