A set of banknote varieties of the Polish Security Printing Works, with the theme of Polish bison.
The set includes 9 pieces - of different series, the banknotes differing in the characteristics of the substrate - from classic cotton paper to polymer.
Visible differences in colors and other elements.
Banknotes in the 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.
Issuing condition.
