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.

CZ028.17

Country / Post Czech Republic
Date of Issue 6 September 2017
Primary theme Engineering
Energy
Subject Technical Monuments - 170 Years of the Public Street Gas Lighting
Width 26.5 mm
Height 44.0 mm
Denomination 16 CZK
Number in set 1
Layout/Format sheet of 30
Perforations 12 by 12
Stamp issuing authority Czech Post
Printer Post Printing House
Connect to the web shop of the issuing stamp authority