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.

EE003.09

Country / Post Estonia
Date of Issue 29 January 2009
Primary theme Military (Military events)
Subject 90th Anniversary of Paju Battle
Width 40.0 mm
Height 30.0 mm
Denomination 5.50 EEK
Number in set 1
Layout/Format sheet of 20
Perforations 14 by 13.75
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
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