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.


Country / Post Romania
Date of Issue 25 January 2017
Primary theme Flora (Orchids)
Subject Wild Orchids - White Heliborine (Cephalanthera damasonium)
Width 36.0 mm
Height 36.0 mm
Denomination 4.50 RON
Number in set 4 (show set)
Layout/Format sheet of 28 & 4
Perforations 13.5 by 13.5
Stamp issuing authority SC Romfilatelia SA
Printer Fabrica de timbre
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