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 Oman in 2012

The 2012 issuing programme is not available.
  1. Om011.12-80
    Wns Number
    OM011.12
    Country / Post
    Oman
    Date of Issue
    November 18, 2012
    Subject
    42nd National Day - Oman Drydock Company
  2. Om012.12-80
    Wns Number
    OM012.12
    Country / Post
    Oman
    Date of Issue
    November 18, 2012
    Subject
    42nd National Day - Oman Drydock Company
  3. Om013.12-80
    Wns Number
    OM013.12
    Country / Post
    Oman
    Date of Issue
    November 18, 2012
    Subject
    42nd National Day - Oman Drydock Company
  4. Om014.12-80
    Wns Number
    OM014.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Dorar
  5. Om015.12-80
    Wns Number
    OM015.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Dorar
  6. Om016.12-80
    Wns Number
    OM016.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Dorar
  7. Om017.12-80
    Wns Number
    OM017.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Dorar
  8. Om018.12-80
    Wns Number
    OM018.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Dorar
  9. Om019.12-80
    Wns Number
    OM019.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Ajlad
  10. Om020.12-80
    Wns Number
    OM020.12
    Country / Post
    Oman
    Date of Issue
    December 12, 2012
    Subject
    Arabian Horses - Aba Psynnamon

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