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. Si011.18-80
    Wns Number
    SI011.18
    Country / Post
    Slovenia
    Date of Issue
    March 09, 2018
    Subject
    Easter - Painted egg from Bela Krajina
  2. Si012.18-80
    Wns Number
    SI012.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    100 Years of Fala Hydropower Plant
  3. Si013.18-80
    Wns Number
    SI013.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    Fossil Mammals in Slovenia - Mastodon
  4. Si014.18-80
    Wns Number
    SI014.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    Flora - Common Yarrow (Achillea millefolium)
  5. Si015.18-80
    Wns Number
    SI015.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    Flora - Sage (Salvia officinalis)
  6. Si016.18-80
    Wns Number
    SI016.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    Flora - Lungwort (Pulmonaria officinalis)
  7. Si017.18-80
    Wns Number
    SI017.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    Flora - Mountain Arnica (Arnica montana)
  8. Si018.18-80
    Wns Number
    SI018.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    World Design Day
  9. Si019.18-80
    Wns Number
    SI019.18
    Country / Post
    Slovenia
    Date of Issue
    March 23, 2018
    Subject
    Tourism - Koper
  10. Si020.18-80
    Wns Number
    SI020.18
    Country / Post
    Slovenia
    Date of Issue
    May 25, 2018
    Subject
    Popular superstition and magic in Slovenia - Witches

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