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 2008

The 2008 issuing programme is not available.
  1. Om001.08-80
    Wns Number
    OM001.08
    Country / Post
    Oman
    Date of Issue
    November 18, 2008
    Subject
    38th National Day 2008
  2. Om002.08-80
    Wns Number
    OM002.08
    Country / Post
    Oman
    Date of Issue
    December 29, 2008
    Subject
    Twenty Ninth Session of the GCC Supreme Council
  3. Om003.08-80
    Wns Number
    OM003.08
    Country / Post
    Oman
    Date of Issue
    December 29, 2008
    Subject
    Twenty Ninth Session of the GCC Supreme Council
  4. Om004.08-80
    Wns Number
    OM004.08
    Country / Post
    Oman
    Date of Issue
    December 30, 2008
    Subject
    Arab Postal Day
  5. Om005.08-80
    Wns Number
    OM005.08
    Country / Post
    Oman
    Date of Issue
    December 30, 2008
    Subject
    Arab Postal Day

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