e1 in the version of CK (→CB) and EL must be Kolberg's mistake – in A1 one can see that the note was corrected from e1 to c
1. The version with c1 is an unquestionable Chopinesque improvement – it alleviates the impression of A-e1 having been moved parallel to F-c1, which opens the next bar.
Compare the passage in the sources »
category imprint: Differences between sources; Source & stylistic information
issues: Corrections in A, Terzverschreibung error
notation: Pitch