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.

EE026.12

Country / Post Estonia
Date of Issue 25 October 2012
Primary theme Engineering (Bridges)
Transportation (Rail) (Locomotive & trains)
Subject Railway Bridges - Joint Estonian-Latvian-Lithuanian Issue
Width 36.0 mm
Height 30.0 mm
Denomination 1.00 €
Number in set 4 (show set)
Layout/Format miniature sheet of 3 of 3 designs
Perforations 13.25 by 13.25
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
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