(in French) Ça marche pas !!! au Tchad il y a le 'Franc', au Nigeria, le 'Naira', au Madagascar, le 'Ariary', au Mozambique, le 'Metical', au Tonga, le 'pa'anga' et en Israel, le 'SHEKEL'
It says that '[c]ountries with no official currency appear at the beginning', but all countries appear at the beginning and there's no difference in coloring either.