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.

Stamps issued with OM005.12

  1. Om003.12-80
    Wns Number
    OM003.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Old Muscat
  2. 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
  3. Om005.12-80
    Wns Number
    OM005.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Mutrah
  4. 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
  5. Om007.12-80
    Wns Number
    OM007.12
    Country / Post
    Oman
    Date of Issue
    July 23, 2012
    Subject
    Muscat - Arab Tourism Capital 2012 - Mutrah Corniche
  6. 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