According to a French-language decree 145-2014 dated 2 June 2014, the Banque Central de Mauritanie introduced a new 500-ouguiya note like B116, but dated 28.11.2013, without the holographic patch at right front, reduced in size to 138 x 65 mm, with electrotype 500 added to the watermark, a windowed security thread, iridescent PEAK (Printed Embossed Anticopy Key) of SCM/500, and LOOK (Laser Originated Optical Key) on three digits of the serial number.

Courtesy of Claudio Marana, Manuel Fernando Iglesias, and Thomas Augustsson.

Tags: Mauritania