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 Pakistan in 2004

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  1. Pk051.04-80
    Wns Number
    PK051.04
    Country / Post
    Pakistan
    Date of Issue
    November 20, 2004
    Subject
    Declaration of 2004 as the Year of Childrens Rights
  2. Pk052.04-80
    Wns Number
    PK052.04
    Country / Post
    Pakistan
    Date of Issue
    December 06, 2004
    Subject
    30 Years of Allama Iqbal Open University, Islamabad
  3. Pk053.04-80
    Wns Number
    PK053.04
    Country / Post
    Pakistan
    Date of Issue
    December 30, 2004
    Subject
    Golden Jubilee of Khyber Medical College, Peshawar, Pakistan