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 MT013.03

  1. Mt012.03-80
    Wns Number
    MT012.03
    Country / Post
    Malta
    Date of Issue
    March 21, 2003
    Subject
    Military Architecture - Fort St Elmo
  2. Mt013.03-80
    Wns Number
    MT013.03
    Country / Post
    Malta
    Date of Issue
    March 21, 2003
    Subject
    Military Architecture - Rinella Battery
  3. Mt014.03-80
    Wns Number
    MT014.03
    Country / Post
    Malta
    Date of Issue
    March 21, 2003
    Subject
    Military Architecture - Reserve Post R15
  4. Mt015.03-80
    Wns Number
    MT015.03
    Country / Post
    Malta
    Date of Issue
    March 21, 2003
    Subject
    Military Architecture - Fort St Angelo
  5. Mt016.03-80
    Wns Number
    MT016.03
    Country / Post
    Malta
    Date of Issue
    March 21, 2003
    Subject
    Military Architecture - Fort Tigne