Russian
поддельная банкнота Spanish
papel moneda falsificado 
Counterfeit bill that generally duplicates or forges the currency.
1
Christmas shoppers have been warned by the Central Bank to be on the alert for fake banknotes.
2
Scott closed one show by throwing fake banknotes with his face printed on them into the audience.
3
The data shows that in 2009 alone there was a sharp rise in the number of fake banknotes withdrawn from circulation.