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.

DZ001.15

Country / Post Algeria
Date of Issue 4 January 2015
Primary theme Architecture (Classical)
Subject Fort of Bordj El Kiffan
Width 25.5 mm
Height 21.0 mm
Denomination 25.00 DZD
Number in set 1
Layout/Format sheet of 100
Perforations 14 by 14
Stamp issuing authority Algerie Poste
Printer Imprimerie Banque Centrale d'Algerie