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.

GB028.08

Country / Post Great Britain
Date of Issue 13 March 2008
Primary theme Transportation (Ships & Navigation) (Ships)
Subject Mayday - Rescue at Sea - Appledore
Width 41.0 mm
Height 30.0 mm
Denomination 0.46 GBP
Number in set 6 (show set)
Layout/Format sheet of 50
Perforations 14 by 14
Stamp issuing authority
Printer