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.

GB007.08

Country / Post Great Britain
Date of Issue 5 February 2008
Primary theme Fauna (Dogs)
Subject Working Dogs - Assistance Dog
Width 37.0 mm
Height 35.0 mm
Denomination 1st class
Number in set 6 (show set)
Layout/Format sheet of 50
Perforations 14 by 14.5
Stamp issuing authority Royal Mail of Great Britain
Printer Cartor Security Print, France