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 2013

The 2013 issuing programme is not available.
  1. Om001.13-80
    Wns Number
    OM001.13
    Country / Post
    Oman
    Date of Issue
    January 08, 2013
    Subject
    Omani Environment Day - Adenium obesum
  2. Om002.13-80
    Wns Number
    OM002.13
    Country / Post
    Oman
    Date of Issue
    January 08, 2013
    Subject
    Omani Environment Day - Cistanche tubulosa
  3. Om003.13-80
    Wns Number
    OM003.13
    Country / Post
    Oman
    Date of Issue
    January 08, 2013
    Subject
    Omani Environment Day - Amygdalas arabica
  4. Om004.13-80
    Wns Number
    OM004.13
    Country / Post
    Oman
    Date of Issue
    January 08, 2013
    Subject
    Omani Environment Day - Aegopordon berardoides
  5. Om005.13-80
    Wns Number
    OM005.13
    Country / Post
    Oman
    Date of Issue
    March 03, 2013
    Subject
    Omani Crafts Day
  6. Om006.13-80
    Wns Number
    OM006.13
    Country / Post
    Oman
    Date of Issue
    March 03, 2013
    Subject
    Omani Crafts Day
  7. Om007.13-80
    Wns Number
    OM007.13
    Country / Post
    Oman
    Date of Issue
    March 03, 2013
    Subject
    Omani Crafts Day
  8. Om008.13-80
    Wns Number
    OM008.13
    Country / Post
    Oman
    Date of Issue
    March 03, 2013
    Subject
    Omani Crafts Day
  9. Om009.13-80
    Wns Number
    OM009.13
    Country / Post
    Oman
    Date of Issue
    March 03, 2013
    Subject
    Omani Crafts Day
  10. Om010.13-80
    Wns Number
    OM010.13
    Country / Post
    Oman
    Date of Issue
    March 03, 2013
    Subject
    Omani Crafts Day

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