About #18 - 500 ouguiya type 2013
Mauritania. Central Bank of Mauritania. 2011-2015 Issues. Date: 28-11-2013. Dimensions: 138 x 65 mm. Watermark: bearded man and electrotype 500. Material: Polymer (hybrid). Windowed security thread with BCM 500. Printer: Giesecke & Devrient, Germany. Multicolored front and back printing, predominantly green. Description of the front: frame and background made up of arabesques. Watermark on the left. Prefix and numbering in black. Texts in Arabic. "٥٠٠" value in the corners. Only one combination of signatures with the Treasurer General and the Governor: Mohamad Ould Sidna and Sid Ahmed Ould Raiss. Description of the back: Workers in the fields and a view of the F'Derick mine. Texts in French. Value "500" in the corners.