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.

EE011.04

Country / Post Estonia
Date of Issue 1 May 2004
Primary theme National symbols
Subject United Europe
Width 35.0 mm
Height 25.5 mm
Denomination 6.50 EEK
Number in set 1
Layout/Format sheet of 10
Perforations 13.3 by 13.3
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
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