ALGERIA. 20 & 50 Francs Piefort Essai Struck in Copper-Nickel, 1949. PCGS SP-63 & SP-64 Secure Holder.KM-PE1 & PE2; Lec-46 & 50. 2 pieces in set. Each with a mintage of only 104 pieces. Both are sharply struck and lightly toned with the 50 Franc more attractive. Both are in PCGS Secure holders.