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 Poland in 2004

The 2004 issuing programme is not available.
  1. Pl071.04-80
    Wns Number
    PL071.04
    Country / Post
    Poland
    Date of Issue
    November 05, 2004
    Subject
    Christmas
  2. Pl072.04-80
    Wns Number
    PL072.04
    Country / Post
    Poland
    Date of Issue
    December 03, 2004
    Subject
    The Cosmic History of Earth
  3. Pl073.04-80
    Wns Number
    PL073.04
    Country / Post
    Poland
    Date of Issue
    December 03, 2004
    Subject
    The Cosmic History of Earth
  4. Pl074.04-80
    Wns Number
    PL074.04
    Country / Post
    Poland
    Date of Issue
    December 03, 2004
    Subject
    The Cosmic History of Earth
  5. Pl075.04-80
    Wns Number
    PL075.04
    Country / Post
    Poland
    Date of Issue
    December 03, 2004
    Subject
    The Cosmic History of Earth

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