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.

GA005.08

Country / Post Gabon
Date of Issue 5 March 2008
Primary theme Energy (Petroleum)
Subject 80 Years of Petroleum Exploration
Width 40.0 mm
Height 30.0 mm
Denomination 250 XAF
Number in set 6 (show set)
Layout/Format miniature sheet of 6 of 6 designs
Perforations 13 by 13
Stamp issuing authority Gabon Poste
Printer Cartor