TP lithographed, p. 2-7 lithographed, p. [8] blank., TP: publisher's printed logo; inscription in pencil: "[ok. 1870]"., Heading, p. 2: IMPROMPTU. | » F. Chopin, Op. 29., Footline p. 2: Stich und Druck von Breitkopf & Härtel in Leipzig. [space] 5850, Plate number p. 2-7: 5850, TP: rectangular stamp: GEBETHNER i WOLF | Księgarnia i Skład Nut | WARSZAWA, ZGODA 12; TP: "[ok. 1870]" written by hand in pencil., TP: "[ok. 1870]" written by hand in pencil.
