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.

Stamps issued with PL008.07

  1. Pl008.07-80
    Wns Number
    PL008.07
    Country / Post
    Poland
    Date of Issue
    March 30, 2007
    Subject
    Happy Day
  2. Pl009.07-80
    Wns Number
    PL009.07
    Country / Post
    Poland
    Date of Issue
    March 30, 2007
    Subject
    Happy Day
  3. Pl010.07-80
    Wns Number
    PL010.07
    Country / Post
    Poland
    Date of Issue
    March 30, 2007
    Subject
    Happy Day