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.

RO092.17

Country / Post Romania
Date of Issue 26 July 2017
Primary theme Geography & Meteorology (Waterfalls)
Subject Welcome to Romania - Bigar waterfall in Caraș-Severin County, Bozovici commune
Width 48.0 mm
Height 33.0 mm
Denomination 3.50 RON
Number in set 12 (show set)
Layout/Format sheet of 32 & 6
Perforations 13.5 by 13.5
Stamp issuing authority SC Romfilatelia SA
Printer Fabrica de timbre
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