<p>Stamp of Mauritania as semi-autonome protectorate of French West Africa ("Afrique-Occidentale française", A.O.F.); 1913; definitive stamp of the "Crossing desert" issue; framed drawing with desert landscape as central motive; mint stamp with smooth gum<br><b>Stamp</b>: Michel: No. 17; Yvert et Tellier; No. 17<br><b>Color</b>: dark brown / mauve to lilac brown<br><b>Watermark</b>: none<br><b>Nominal value</b>: 1 C (Centime)<br><b>Postage validity</b>: from 1913 until ?<br></p>
<b>Stamp picture size</b> (printed area without below signature line): 35.5 x 20.5 mm
"Administration postale du gouvernement de La Troisième République française"
scan of original