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.

BE007.11

Country / Post Belgium
Date of Issue 17 January 2011
Primary theme Architecture (Classical)
Subject Writers House - The House of Erasmus
Width 40.2 mm
Height 27.66 mm
Denomination 1.10 €
Number in set 3 (show set)
Layout/Format sheet of 5
Perforations 11.5 by 11.5
Stamp issuing authority La Poste De Post Belgique
Printer La Poste - Imprimerie du Timbre à Mechelen