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.

DZ018.15

Country / Post Algeria
Date of Issue 7 December 2015
Primary theme Religions & beliefs (Islam)
History (History of Peoples)
Subject Arab Family Day
Width 40.0 mm
Height 30.0 mm
Denomination 30.00 DZD
Number in set 2 (show set)
Layout/Format sheet of 25
Perforations 13 by 13
Stamp issuing authority Algerie Poste
Printer Imprimerie Banque Centrale d'Algerie