Both autographs are lacking in the 
raising a1 to a
1. The mistake is also in EE, where it was repeated after the proof copy of FE. In the very FE Chopin added the overlooked accidental; the correct text is also in GE.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Errors of A, Authentic corrections of FE, Last key signature sign, Errors repeated in EE
notation: Pitch