A full set of varieties of the latest promotional banknote of the Polish Security Printing Works, with Polish bison as the theme.
A total of 9 pieces in the set - different series, differing in the characteristics of the substrate - from classic cotton paper to polymer.
Noticeable differences also in colors and other elements (in the upper margin, around the inscription POLISH Bison, etc.).
Banknotes in original PWPW folder "Power of the substrate". Folder in Polish, describing in detail the security features and characteristics of the substrate on which the banknotes were printed.
Series banknotes included: CC, CO, FC, FO, FT, HC, PC, PO, SC.
