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.

GB008.12

Country / Post Great Britain
Date of Issue 10 January 2012
Primary theme Mankind (Children)
Literature, Press and Comics (Writers)
Subject Roald Dahl - Matilda
Width 27.0 mm
Height 37.0 mm
Denomination 0.76 GBP
Number in set 10 (show set)
Layout/Format sheet of 25 & 50
Perforations 14 by 14
Stamp issuing authority Royal Mail of Great Britain
Printer Cartor Security Print, France