The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

CM002.14

Country / Post Cameroon
Date of Issue 21 July 2014
Primary theme Post & Philately
Subject E-Post Data Centre
Width 40.0 mm
Height 30.0 mm
Denomination 250 XAF
Number in set 2 (show set)
Layout/Format sheet of 10
Perforations 13 by 13
Stamp issuing authority Societe Nationale des Postes du Cameroun
Printer Cartor SA