GE2
compare
in 
in 
Reversed marks are quite frequent mistakes – cf. e.g. the 2nd mov. of the Concerto, bar 47 or the Etude in C Minor, Op. 10 No. 12, bar 53. In GE3, the mark was omitted, probably due to inattention – see the next note.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in GE, Sign reversal
notation: Articulation, Accents, Hairpins