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.

SC001.04

Country / Post Seychelles
Date of Issue 16 February 2004
Primary theme Politics & Government
National symbols
Subject 20th Anniversary of the Indian Ocean Commission
Width 30.0 mm
Height 35.5 mm
Denomination 15.00 SCR
Number in set 1
Layout/Format sheet of 50
Perforations 13.3 by 13.4
Stamp issuing authority Postal Services Division of Seychelles
Printer BDT International Security Printing Ltd