There are some recent $1 notes where the same serial was issued twice.
https://www.mycurrencycollection.com/blog/1-2013-new-york-duplicate-serial-number-mistake
Still 2 different bills.
There are some recent $1 notes where the same serial was issued twice.
https://www.mycurrencycollection.com/blog/1-2013-new-york-duplicate-serial-number-mistake
Still 2 different bills.