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.

XI010.07

Country / Post Montenegro
Date of Issue 3 July 2007
Primary theme Post & Philately
Subject Postal history - Ordinary issue 2007
Width 42.0 mm
Height 27.5 mm
Denomination 0.25 €
Number in set 1
Layout/Format sheet of 50
Perforations 14 by 14
Stamp issuing authority Montenegro Post
Printer Magyar SZO DOO Novi Sad Serbia