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.


Country / Post St Helena
Date of Issue 10 May 2005
Primary theme Military (Military events)
Military (Military equipment)
Subject 200th Anniversary of the Battle of Trafalgar Part I - British 18 Pdr Naval Pattern Cannon
Width 47.0 mm
Height 30.0 mm
Denomination 0.20 SHP
Number in set 6 (show set)
Layout/Format sheet of 6
Perforations 14 by 14
Stamp issuing authority St Helena Post Office