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 Aruba in 2011

The 2011 issuing programme is not available.
  1. Aw081.11-80
    Wns Number
    AW081.11
    Country / Post
    Aruba
    Date of Issue
    December 01, 2011
    Subject
    Butterflies - Lycaena heteronea austin

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