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.

BE018.04

Country / Post Belgium
Date of Issue 15 March 2004
Primary theme Flora
Economy & Industry
Subject Sugar Industry - Sugar beet
Width 38.4 mm
Height 27.66 mm
Denomination 0.49 €
Number in set 3 (show set)
Layout/Format sheet of 10
Perforations 11.6 by 11.6
Stamp issuing authority La Poste De Post Belgique
Printer La Poste - Imprimerie du Timbre à Mechelen