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.

SH017.04

Country / Post St Helena
Date of Issue 4 November 2004
Primary theme Transportation (Ships & Navigation) (Ships)
Subject Merchant Ships - SS Umbilo
Width 40.0 mm
Height 30.0 mm
Denomination 0.80 SHP
Number in set 4 (show set)
Layout/Format sheet of 20
Perforations 14.5 by 14.5
Stamp issuing authority St Helena Post Office
Printer