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.

DZ004.16

Country / Post Algeria
Date of Issue 10 February 2016
Primary theme Flora (Medicinal plants)
Subject Medicinal plants - Eupatorium cannabium
Width 30.0 mm
Height 40.0 mm
Denomination 25.00 DZD
Number in set 2 (show set)
Layout/Format sheet of 25
Perforations 14 by 14
Stamp issuing authority Algerie Poste
Printer Imprimerie Banque Centrale d'Algerie