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.

XD006.11

Country / Post Andorra (F)
Date of Issue 6 June 2011
Primary theme Architecture (Classical)
Subject Placeta de Sant Esteve
Width 60.0 mm
Height 25.0 mm
Denomination 0.58 €
Number in set 1
Layout/Format sheet of 40
Perforations 13 by 13
Stamp issuing authority LA POSTE
Printer Philaposte Bouzalac France