Autograph note written in pencil, unsigned, about the piano sonata in C minor, op. 111, undated [May of June 1823]. 1 p., large oblong octavo, written on an irregularly cut leaf, mounted on an album-leaf, with a note in a later hand: Given by Frau Egloff. She was a washerwoman in Mannheim, some connection of Schindler and possessed several relics of Beethoven which were acquired for the Berlin Library.