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.

GB151.12

Country / Post Great Britain
Date of Issue 6 November 2012
Primary theme Holy Days & Celebrations (Christmas & Easter)
Subject Christmas 2012
Width 20.0 mm
Height 24.0 mm
Denomination 1.28 GBP
Number in set 7 (show set)
Layout/Format self adhesive sheet of 50
Perforations 15 by 15
Stamp issuing authority Royal Mail of Great Britain
Printer De La Rue Security Print