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.

DK004.09

Country / Post Denmark
Date of Issue 7 January 2009
Primary theme Energy (Energy conservation)
Meteorology
Environment & Conservation
Subject COP15 - The UN Climate Change Conference - Low energy buildings
Width 39.52 mm
Height 28.84 mm
Denomination 5.50 DKK
Number in set 2 (show set)
Layout/Format sheet of 40
Perforations 13 by 13
Stamp issuing authority Post Danmark
Printer Post Danmark Stamps
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