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.

BE002.11

Country / Post Belgium
Date of Issue 3 January 2011
Primary theme Post & Philately
Subject Liberalisation of the Postal Market
Width 40.2 mm
Height 27.66 mm
Denomination 0.61 €
Number in set 1
Layout/Format sheet of 10
Perforations 11.5 by 11.5
Stamp issuing authority La Poste De Post Belgique
Printer La Poste - Imprimerie du Timbre à Mechelen