There are no naturals rising a and d1 to a and d1 in A. Chopin's mistake resulted supposedly from a hasty correction—the composer initially marked the L.H. part in this bar as a repetition of the previous bar, and only after having spotted the diffrence on the 2. quavers of both bars wrote it out in full. The accidentals were added in FE1 and all the subsequent editions.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Errors resulting from corrections, Omission of current key accidentals, Errors of A, Authentic corrections of FE
notation: Pitch