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.

RO031.18

Country / Post Romania
Date of Issue 20 March 2018
Primary theme National symbols (Coats of Arms)
Subject Founders of the Great Union (I) - The small Romania's coat of arms
Width 30.0 mm
Height 30.0 mm
Denomination 16.00 RON
Number in set 5 (show set)
Layout/Format miniature sheet of 1
Perforations imperforate
Stamp issuing authority SC Romfilatelia SA
Printer Fabrica de timbre
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