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.

All registered stamps issued by Algeria in 2013

The 2013 issuing programme is not available.
  1. Dz031.13-80
    Wns Number
    Country / Post
    Date of Issue
    December 31, 2013
    50th Anniversary of Sonatrach