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 OM019.14

  1. Om019.14-80
    Wns Number
    OM019.14
    Country / Post
    Oman
    Date of Issue
    December 12, 2014
    Subject
    Souq Muttrah
  2. Om020.14-80
    Wns Number
    OM020.14
    Country / Post
    Oman
    Date of Issue
    December 12, 2014
    Subject
    Souq Muttrah