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.

NO006.11

Country / Post Norway
Date of Issue 15 April 2011
Primary theme International Organisations
Subject 50th Anniversary of Amnesty International
Width 36.0 mm
Height 34.5 mm
Denomination A
Number in set 1
Layout/Format sheet of 50
Perforations 14 by 14
Stamp issuing authority Norway Post
Printer Joh Enschedé Security Printers