Test bill 50 PWPW Building 2011, AA series, low numbering: 0000825.
Test note issued by the National Securities Printing Works showing modern security methods not only those used on banknotes, such as UV-visible security features, recto-verso effect, printing with optically variable ink, metallized threads in paper, hologram rosettes, but also other security features absent on banknotes, such as bar code.
Literature : Parchimovich 8
