Transcription of Mazurka op. 50/2 by Emanuel Kaufman with text by Amelia Pruszakowa, Authentic key: A flat major, Title page [1] as TP of the series: LUTNIA | ARJE I ROMANSE | DO | ŚPIEWU | Z TOWARZYSZENIEM [space] FORTEPIANU | [list of works of diffrent compsers in two columns] | WARSZAWA. NAKŁAD JÓZEFA KAUFMANNA. | Lit. i Sztycharnia Nut J. Mękarskiego Krak. Przed. | N|o 411, Page [2]: blank., Plate number: 136 on each page., Source in bad condition., TP: Chopin's opuses in reference to the titles and "1863]" has been added by hand with a pencil.