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.

EE026.07

Country / Post Estonia
Date of Issue 25 October 2007
Primary theme National symbols (Coats of Arms)
Subject Viljandi
Width 27.0 mm
Height 32.5 mm
Denomination 5.50 EEK
Number in set 1
Layout/Format sheet of 25
Perforations 14 by 14
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
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