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 Slovenia in 2018

The 2018 issuing programme is not available.
  1. Si021.18-80
    Wns Number
    SI021.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    Popular superstition and magic in Slovenia - Black cats
  2. Si022.18-80
    Wns Number
    SI022.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    Popular superstition and magic in Slovenia - Protection of new-born babies
  3. Si023.18-80
    Wns Number
    SI023.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    Popular superstition and magic in Slovenia - Divination
  4. Si024.18-80
    Wns Number
    SI024.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    Popular superstition and magic in Slovenia - St John's wreaths
  5. Si025.18-80
    Wns Number
    SI025.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    110th Anniversary of Donat Mg natural mineral water
  6. Si026.18-80
    Wns Number
    SI026.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    World Bee Day
  7. Si027.18-80
    Wns Number
    SI027.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    EUROPA 2018 - Bridges - Cobbler's Bridge in Ljubljana
  8. Si028.18-80
    Wns Number
    SI028.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    EUROPA 2018 - Bridges - Puh Bridge in Ptuj
  9. Si029.18-80
    Wns Number
    SI029.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    Slovene Ships - Ljubljana
  10. Si030.18-80
    Wns Number
    SI030.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    250th Anniversary of the 'human fish' (Proteus anguinus)

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