Issues : Errors of A

b. 143

composition: Op. 64 No 3, Waltz in A♭ major

b1 in As & FE (→EE)

b1 in A & GE

..

The missing  in A before the last quaver is probably Chopin's mistake – the sign is in As and it was added in the last proofreading of FE (→EE), not included in GE.

category imprint: Interpretations within context; Differences between sources

issues: Errors of A , Authentic corrections of FE

b. 143-144

composition: Op. 64 No 3, Waltz in A♭ major

d2 in As, FE (→EE,GE1AbGE2Ab) & GE2op (→GE3op)

d2 in A & GE1op

..

The absence of a  before the 4th quaver in bar 144 is probably Chopin's mistake (cf. bar 143). The sign is present in As and it was added in the proofreading of FE (→GE,EE; in GE1op it was misplaced in bar 143).

category imprint: Interpretations within context; Differences between sources; Corrections & alterations

issues: Errors in GE , Errors of A , Authentic corrections of FE