As in the case of enhancement of the 1st quaver of the bar with an octave, the version of As was also present in A, in which, however, Chopin changed it by adding three a1 as the topmost notes. The change was introduced after the slur over the chords had been written, hence most probably in the last stage of proofreading of the manuscript.
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category imprint: Differences between sources; Corrections & alterations
issues: Corrections in A, Accompaniment changes
notation: Pitch