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.


Country / Post Belgium
Date of Issue 16 February 2004
Primary theme Science & Technology
Medicine (Cancer & AIDS)
Subject "This is Belgium" - Belgians in the World - Peter Piot
Width 27.66 mm
Height 40.2 mm
Denomination 0.57 €
Number in set 10 (show set)
Layout/Format miniature sheet of 10 of 10 desgins
Perforations 12 by 11.4
Stamp issuing authority La Poste De Post Belgique
Printer La Poste Imprimerie du Timbre à Mechelen