ALS in German, signed “J. Brahms,” three pages on two adjoining sheets, 4.5 x 7, November 16, 1889. To Antonia Speyer, thanking her for warning him that Herr D'Aoust of Brussels is writing with a concert invitation, and wondering whether in the future her brother, Maurice, could seal with such communications and invitations of this kind; in a postscript he returns to this subject and notes that "the unfortunate D'Aoust has just arrived." Accompanied by the original mailing envelope. In fine condition, with small stitch holes to left edges and a horizontal fold near bottom. COA John Reznikoff/PSA/DNA and R&R COA.