à Lepsic [Leipzig]: Au Magasin de Musique de Breitkopf et Härtel [without PN], . Only pianoforte part. Early edition of Mozart’s Piano Concerto No. 9. Oblong folio.  f. (title), –32 p. With light green paper reinforcement to spine. Spine slightly worn, damaged at head and tail. First and last leaves dusted, chipped, with small closed tears. Light foxing throughout. Notes in pencil. Overall in very good condition.
After an agreement between with Mozart’s widow Constanze Breitkopf & Härtel gained access to some of Mozart's works and begun to publish them in the two series, the present one Concerts pour le Pianoforte, twenty volumes of concertos some published for the first time, and a 17-volume set, Oeuvres Complettes of scores of vocal and instrumental chamber music. Concerto No. 9 was completed on January 1777 in Salzburg and it was published first by Johann Anton André in Offenbach in 1792. RISM A/I M 7362; MM 7362.