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 Slovakia in 2018

The 2018 issuing programme is not available.
  1. Sk011.18-80
    Wns Number
    SK011.18
    Country / Post
    Slovakia
    Date of Issue
    May 03, 2018
    Subject
    Joint issue with Vatican City State - 1150th Anniversary of the Recognition of the Slavic Liturgical Language
  2. Sk012.18-80
    Wns Number
    SK012.18
    Country / Post
    Slovakia
    Date of Issue
    May 04, 2018
    Subject
    EUROPA 2018 - SNP Bridge in Bratislava
  3. Sk013.18-80
    Wns Number
    SK013.18
    Country / Post
    Slovakia
    Date of Issue
    May 18, 2018
    Subject
    Technical Monuments - The Historical Power Plant in Piešťany
  4. Sk014.18-80
    Wns Number
    SK014.18
    Country / Post
    Slovakia
    Date of Issue
    June 01, 2018
    Subject
    Postage stamp with a Personalised Coupon - A Floral Motif
  5. Sk015.18-80
    Wns Number
    SK015.18
    Country / Post
    Slovakia
    Date of Issue
    June 15, 2018
    Subject
    50th Year of the International Chemistry Olympiad
  6. Sk016.18-80
    Wns Number
    SK016.18
    Country / Post
    Slovakia
    Date of Issue
    June 22, 2018
    Subject
    Bratislava coronation Ceremonies - 400th Anniversary of the Coronation of Ferdinand II
  7. Sk017.18-80
    Wns Number
    SK017.18
    Country / Post
    Slovakia
    Date of Issue
    June 27, 2018
    Subject
    25th Anniversary of Slovak Membership of the European Council
  8. Sk018.18-80
    Wns Number
    SK018.18
    Country / Post
    Slovakia
    Date of Issue
    June 30, 2018
    Subject
    150th Anniversary of the Establishment of the Bratislava City Museum
  9. Sk019.18-80
    Wns Number
    SK019.18
    Country / Post
    Slovakia
    Date of Issue
    August 21, 2018
    Subject
    Art - Ladislav Bielik - 'A Man with a Bare Chest'
  10. Sk020.18-80
    Wns Number
    SK020.18
    Country / Post
    Slovakia
    Date of Issue
    October 12, 2018
    Subject
    Nature Protection - Slovak Minerals - Libethenite

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