Mauritania. Central Bank of Mauritania. 1975-1981 Unadopted Designs. Date: 28-11-1975. Dimensions: 145 x 70 mm. Watermark: unknown. Material: paper. Security thread unknown. Printer: Thomas De La Rue & Company (TDLR), London, England. Multicolored front and back printing, predominantly blue and purple. Description of the front: frame and background made up of arabesques. Young man with a turban and two women preparing tea in the background. Prefix and numbering in black. Texts in Arabic. "١٠٠" value in the corners. Combination of signatures with the Treasurer General (signature unknown) and the Governor: Ahmed Ould Daddah. Description of the back: Fishing boats and a man holding a fish. Texts in French. Value "100" in the corners. Unissued known only in specimen!