Structure of the print: title page - p. [ii]: blank - p. 1-6: Impromptu op. 51 + the cover, In the left upper corner of the front cover there is a handwritten shelfmark in blue ink: "4196"., In the left upper corner of the reverse side of the cover there is a handwritten annotation in pencil: "akc. 32/81"., At the bottom of the title page there is a black, round stamp: "TOWARZYSTWO IM. F. CHOPINA | BIBLIOTEKA | WARSZAWA" and a handwritten shelfmark in blue ink: "4196"., At the bottom of p. [ii] there is a black, round stamp: "NARODOWY INSTYTUT FRYDERYKA CHOPINA | BIBLIOTEKA" and a handwritten shelfmark in pencil: "4196/n"., At the bottom of p. 6 there are two black, round stamps: "NARODOWY INSTYTUT FRYDERYKA CHOPINA | BIBLIOTEKA" and "TOWARZYSTWO IM. F. CHOPINA | BIBLIOTEKA | WARSZAWA"., In the right upper corner of the back cover there is a sticker: "NARODOWY | INSTYTUT | FRYDERYKA | CHOPINA" with a handwritten shelfmark in purple ink: "4196/n".
