The bills for two, five, 10, 20, 50 and 100 bolívares fuertes, Venezuela's currency, will debut in January to replace the existing bolívar, and on their reverse side will show native animal species that are in danger of extinction, confirmed the Central Bank. The bills for two, five, 10, 20, 50 and 100 bolívares fuertes, Venezuela's currency, will debut in January to replace the existing bolívar, and on their reverse side will show native animal species that are in danger of extinction, confirmed the Central Bank.