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 Bulgaria

  1. Bg007.09-80
    Wns Number
    BG007.09
    Country / Post
    Bulgaria
    Date of Issue
    March 02, 2009
    Subject
    Ecology - Balkan Mountain - Joint issue Bulgaria-Serbia
  2. Bg008.09-80
    Wns Number
    BG008.09
    Country / Post
    Bulgaria
    Date of Issue
    March 02, 2009
    Subject
    Ecology - Balkan Mountain - Joint issue Bulgaria-Serbia
  3. Bg009.09-80
    Wns Number
    BG009.09
    Country / Post
    Bulgaria
    Date of Issue
    March 24, 2009
    Subject
    120th Anniversary of the National Museum of Natural Science
  4. Bg010.09-80
    Wns Number
    BG010.09
    Country / Post
    Bulgaria
    Date of Issue
    March 24, 2009
    Subject
    120th Anniversary of the National Museum of Natural Science
  5. Bg011.09-80
    Wns Number
    BG011.09
    Country / Post
    Bulgaria
    Date of Issue
    March 25, 2009
    Subject
    130th Anniversary of Sofia's Proclamation as Capital of Bulgaria
  6. Bg012.09-80
    Wns Number
    BG012.09
    Country / Post
    Bulgaria
    Date of Issue
    March 27, 2009
    Subject
    Preserve the Polar Regions and Glaciers
  7. Bg013.09-80
    Wns Number
    BG013.09
    Country / Post
    Bulgaria
    Date of Issue
    March 27, 2009
    Subject
    Preserve the Polar Regions and Glaciers
  8. Bg014.09-80
    Wns Number
    BG014.09
    Country / Post
    Bulgaria
    Date of Issue
    March 30, 2009
    Subject
    60th Anniversary of NATO and 5th Anniversary of Bulgaria's membership in NATO
  9. Bg015.09-80
    Wns Number
    BG015.09
    Country / Post
    Bulgaria
    Date of Issue
    March 30, 2009
    Subject
    60th Anniversary of NATO and 5th Anniversary of Bulgaria's membership in NATO
  10. Bg016.09-80
    Wns Number
    BG016.09
    Country / Post
    Bulgaria
    Date of Issue
    March 31, 2009
    Subject
    Transport - Bicycles