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.

GB089.10

Country / Post Great Britain
Date of Issue 13 May 2010
Primary theme Famous people
History (History of Peoples)
Politics & Government (Politicians)
Subject Britain Alone - Churchill
Width 35.0 mm
Height 35.0 mm
Denomination 1st class
Number in set 12 (show set)
Layout/Format sheet of 25, sheet of 50
Perforations 14.5 by 14.5
Stamp issuing authority Royal Mail of Great Britain
Printer Cartor Security Print, France