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.

XC006.09

Country / Post Andorra (S)
Date of Issue 18 May 2009
Primary theme Engineering (Bridges)
Subject Madrid Bridge
Width 28.8 mm
Height 40.9 mm
Denomination 2.70 €
Number in set 1
Layout/Format miniature sheet of 1
Perforations 13.75 by 13.75
Stamp issuing authority Correos Y Telegrafos SA
Printer RCM-FNMT
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