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 Madeira in 2011

The 2011 issuing programme is not available.
  1. Xb001.11-80
    Wns Number
    XB001.11
    Country / Post
    Madeira
    Date of Issue
    May 09, 2011
    Subject
    Europa - Forests
  2. Xb002.11-80
    Wns Number
    XB002.11
    Country / Post
    Madeira
    Date of Issue
    May 09, 2011
    Subject
    Europa - Forests

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