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. Om001.12-80
    Wns Number
    OM001.12
    Country / Post
    Oman
    Date of Issue
    May 07, 2012
    Subject
    40th Anniversary of Diplomatic Relations between Oman and Japan
  2. Om002.12-80
    Wns Number
    OM002.12
    Country / Post
    Oman
    Date of Issue
    June 21, 2012
    Subject
    Salalah - Tourism Festival - Frankinsense
  3. Om003.12-80
    Wns Number
    OM003.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Old Muscat
  4. Om004.12-80
    Wns Number
    OM004.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Sultan Qaboos Grand Mosque
  5. Om005.12-80
    Wns Number
    OM005.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Mutrah
  6. Om006.12-80
    Wns Number
    OM006.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Royal Opera House Muscat
  7. Om007.12-80
    Wns Number
    OM007.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Mutrah Corniche
  8. Om008.12-80
    Wns Number
    OM008.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Barr Al Jissah Resort
  9. Om009.12-80
    Wns Number
    OM009.12
    Country / Post
    Oman
    Date of Issue
    August 03, 2012
    Subject
    Arab Postal Day
  10. Om010.12-80
    Wns Number
    OM010.12
    Country / Post
    Oman
    Date of Issue
    November 03, 2012
    Subject
    Sultan Qaboos Sailing Trophy

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