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

  1. Dz026.19-80
    Wns Number
    DZ026.19
    Country / Post
    Algeria
    Date of Issue
    December 03, 2019
    Subject
    Dictionary of the Algerian Sign Language