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.

CZ018.18

Country / Post Czech Republic
Date of Issue 14 March 2018
Primary theme Transportation (Ships & Navigation) (Ships)
Subject Historical Vehicles - Paddle Steamer Vltava
Width 43.5 mm
Height 26.0 mm
Denomination A
Number in set 1
Layout/Format sheet of 50
Perforations 12 by 12
Stamp issuing authority Czech Post
Printer Post Printing House
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