Based on the information provided, nothing, the answer would be no. Try to post a good scan of both sides of the note.
With the other three margins essentially straight, this note could be made from any $20 in your wallet, with a pair of scissors. Dave
I have heard that a note has to be off-center and showing the second note on it to be worth anything. Anybody agree?
Maybe, though value should still take into account all the other usual factors. Note also that many fake errors like that can be cut from un-cut sheets and sold as off-center errors to those not careful about what they are buying.