When interpreted literally, the last chord's 2nd note from top in GE1 is a d2, which is a patent mistake with respect to the d1 note played simultaneously in the L.H. The regular structure of the three-chord motifs points to a Terzverschreibung, and not to an oversight of a . This is how it was corrected in GE2, i.e. to b1.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Errors in GE, Terzverschreibung error, GE revisions
notation: Pitch