The least valuable currencies of the world The Guinean Franc is the currency of Guinea. Our currency rankings show that the most popular Guinea Franc exchange rate is the USD to GNF rate. The currency code for Francs is GNF. Previous Next Pages: 1 2 3 4 5 6 7 8 9 10 bi arzesh currency Iran rial vahede pool value 2017-11-02 ash2