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.

BE001.02

Country / Post Belgium
Date of Issue 1 January 2002
Primary theme Royalty & Monarchies
Subject Effigy of HM Albert II
Width 24.0 mm
Height 27.7 mm
Denomination 0.42 €
Number in set 2 (show set)
Layout/Format sheet of 50
Perforations 11.5 by 11.5
Stamp issuing authority La Poste De Post Belgique
Printer