V E R Y R A R E. The Federal Reserve Note has a total of 6 errors adjacent to their counterparts on the front. I found this bill by pure luck and realized this was something worth much more than its USD face value.The item "2017 $1 ONE DOLLAR FRN FEDERAL RESERVE NOTE MISPRINT ON BACK 6 ERRORS" is in sale since Saturday, September 11, 2021. This item is in the category "Coins & Paper Money\Paper Money\ US\Errors". The seller is "hustlerdior" and is located in Leesville, Louisiana. This item can be shipped worldwide.