Before the last pair of octaves in the L.H. there are no flats in A, as a result of which they should be read as A-a. Chopin's oversight, corrected already in GE1 (→FE→EE, →GE2), is proved by the flats in the parts of all instruments performing the bass line visible in Morch.
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category imprint: Interpretations within context; Differences between sources
issues: Omissions to cancel alteration, GE revisions, Errors of A
notation: Pitch