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.

CH006.05

Country / Post Switzerland
Date of Issue 8 March 2005
Primary theme Minerology & Geology (Mountains & Geological features)
Geography & Meteorology (Maps & Cartography)
Subject Stephan Eicher - Wonderful Symphony - 'merci'
Width 40.0 mm
Height 33.0 mm
Denomination 85 CHF
Number in set 1
Layout/Format sheet of 16
Perforations 13 by 13
Stamp issuing authority La Poste
Printer Cartor Security Printing
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