Many times, you must look very carefully to find these errors. Just found that I have a 2009 twenty that appears to have two sides of a circle. I do suspect that one would sell. Price Guide S Error 1976 2 Dollar Note With A Piece Of String In Printing, 2009 Federal Reserve Note Two $2 Dollar False Cutting Error Uncirculated Wow, Error Note 1977 $1 One Dollar, Us Bill, Rare, Blank Back, Blank Rev. The front part has almost half the bill with the back also printed on the front. If a bill is replaced because of a production error, a star is added at the end of the serial number. CAN YOU TELL ME ANYTHING ABOUT IT? When it is folded it looks normal, but unfold and it has a 1/2 gap with no print. (adsbygoogle = window.adsbygoogle || []).push({});