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.

RO049.18

Country / Post Romania
Date of Issue 25 April 2018
Primary theme Architecture (Classical)
Mankind (Children)
Subject 20 Years - The Comic Opera for Children
Width 33.0 mm
Height 48.0 mm
Denomination 8.00 RON
Number in set 2 (show set)
Layout/Format sheet of 32
Perforations 14 by 14
Stamp issuing authority SC Romfilatelia SA
Printer Fabrica de timbre
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