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.

YT008.04

Country / Post Mayotte
Date of Issue 5 April 2004
Primary theme Fauna
Subject Butterflies - Acraea ranavalona
Width 40.0 mm
Height 30.0 mm
Denomination 0.50 €
Number in set 4 (show set)
Layout/Format miniature sheet of 4 of 4 designs
Perforations 13 by 13
Stamp issuing authority Direction de La Poste de Mayotte
Printer SNTP - ITVF of PĂ©rigueux