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.

YT004.04

Country / Post Mayotte
Date of Issue 10 March 2004
Primary theme Geography & Meteorology
Subject Mayotte Map
Width 20.0 mm
Height 26.0 mm
Denomination 0.50 €
Number in set 4 (show set)
Layout/Format sheet of 100
Perforations 13 by 13
Stamp issuing authority Direction de La Poste de Mayotte
Printer SNTP - ITVF of PĂ©rigueux