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.

BE001.04

Country / Post Belgium
Date of Issue 19 January 2004
Primary theme Flora
Subject Flower - Carnation
Width 30.0 mm
Height 25.0 mm
Denomination 0.49 €
Number in set 1
Layout/Format self adhesive booklet of 10
Perforations 10 by imperf
Stamp issuing authority La Poste De Post Belgique
Printer La Poste Imprimerie du Timbre à Mechelen