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.

CH012.06

Country / Post Switzerland
Date of Issue 9 May 2006
Primary theme EUROPA
Subject Europa - Integration
Width 40.0 mm
Height 32.5 mm
Denomination 1.00 CHF
Number in set 1
Layout/Format sheet of 16
Perforations 13.25 by 12.25
Stamp issuing authority La Poste
Printer Cartor Security Printing
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