Algeria. French administration. Bank of Algeria and Tunisia. Provisional issue. By the decree of December 27, 1958, France introduced the "Nouveaux Francs (New Francs)". This change took effect on January 1, 1960. A 1NF is equal to 100 "old" francs. Algeria is also affected by this change, and as in mainland France, the old denominations are overprinted in red in the watermark "CONTRE-VALEUR DE / 50 / NOUVEAUX FRANCS" in French on the front and in Arabic on the back. 500,000 issued notes. Work by William Fel and engraving by Piel and Armanelli for the front and Beltrand for the back. Dimensions: 206 x 105 mm. Watermark: profile of a Moorish woman in a square medallion on the right. Front and back: polychrome print predominantly yellow, orange and gray. Description of the front: the wording of the issuing institute changes and becomes “BANQUE DE L'ALGÉRIE ET DE TUNISIE”. This label and the values are printed in dark brown. The numbering, signatures and date of issue are printed in black. On the left, a head in profile of Apollo, after a Roman sculpture discovered in 1910 and exhibited at the Museum of Cherchell. In the center, in a rectangle, a floral composition with the three signatures and the date of issue. Below, article 139 of the Penal Code is printed on two lines in a dark cartouche. Only one combination of signatures is known with Civier, The Caissier General, Watteau, The Governor and Gandy, The Secretary General. Description of the back: in the center, a representation of the Trajan Triumphal arch located in Timgad (Pompeii of Africa). Below, the wording of the issuing institute "BANQUE DE L'ALGÉRIE ET DE TUNISIE" printed in Arabic. On the sides, several bas-reliefs and the value "5000" written in Arabic in the lower corners. At the bottom of the note, between two stylized flowers in bas-relief, article 139 of the Penal Code is printed in Arabic on one line. The specimen is known as perforated "SPECIMEN" in vertical on the right and has an overprint "SPECIMEN" and a specimen number in black on the left. The bill is watermarked, signed Delahaye / Watteau / Civier. A second specimen identical to the previous one is known but includes the signatures of Delahaye / Flouret / Civier.