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.

GA008.08

Country / Post Gabon
Date of Issue 25 September 2008
Primary theme Energy (Petroleum)
Subject Petroleum Industry through the eyes of Children
Width 40.0 mm
Height 30.0 mm
Denomination 250 XAF
Number in set 2 (show set)
Layout/Format miniature sheet of 2 of 2 designs
Perforations 13 by 13
Stamp issuing authority Gabon Poste
Printer Cartor