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.


Country / Post Switzerland
Date of Issue 10 May 2005
Primary theme Architecture (Classical)
Subject Pro Patria - Historical Monuments of Switzerland - Rotach houses , Zurich
Width 33.0 mm
Height 28.0 mm
Denomination 0.85 CHF + 0.40 CHF
Number in set 4 (show set)
Layout/Format sheet of 20
Perforations 13.25 by 13
Stamp issuing authority La Poste
Printer Cartor Security Printing
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