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.

MU004.16

Country / Post Mauritius
Date of Issue 15 September 2016
Primary theme Flora (Trees)
Subject Nature Walk - Sophie
Width 28.0 mm
Height 45.0 mm
Denomination 20.00 MUR
Number in set 2 (show set)
Layout/Format sheet of 50
Perforations 14 by 14
Stamp issuing authority The Mauritius Post Ltd
Printer BDT International Security Printing