Details of a new 100- and 200 euro banknote are pictured on September 17, 2018 in Frankfurt am Main, western Germany. - The European Central Bank (ECB) unveiled new versions of the 100- and 200-euro banknotes, saying new security features would make them harder to counterfeit. (Photo by Arne Dedert / dpa / AFP) / Germany OUT (Photo credit should read ARNE DEDERT/AFP/Getty Images)