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 Sierra Leone in 2003

The 2003 issuing programme is not available.
  1. Sl001.03-80
    Wns Number
    SL001.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    Rembrandt
  2. Sl002.03-80
    Wns Number
    SL002.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    Rembrandt
  3. Sl003.03-80
    Wns Number
    SL003.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    Rembrandt
  4. Sl004.03-80
    Wns Number
    SL004.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    Rembrandt
  5. Sl005.03-80
    Wns Number
    SL005.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    Rembrandt
  6. Sl006.03-80
    Wns Number
    SL006.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    The Circus
  7. Sl007.03-80
    Wns Number
    SL007.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    The Circus
  8. Sl008.03-80
    Wns Number
    SL008.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    The Circus
  9. Sl009.03-80
    Wns Number
    SL009.03
    Country / Post
    Sierra Leone
    Date of Issue
    May 13, 2003
    Subject
    The Circus
  10. Sl010.03-80
    Wns Number
    SL010.03
    Country / Post
    Sierra Leone
    Date of Issue
    July 14, 2003
    Subject
    Aviation Centenary - Wrigth Brothers