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.

EE022.07

Country / Post Estonia
Date of Issue 23 August 2007
Primary theme Politics & Government (Law)
Subject 20th Anniversary of the Hirvepark Demonstration to demand Publication of the Molotov-Ribbentrop Pact
Width 39.0 mm
Height 22.0 mm
Denomination 5.50 EEK
Number in set 1
Layout/Format sheet of 20
Perforations 14 by 14
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
Connect to the web shop of the issuing stamp authority