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.

CZ021.17

Country / Post Czech Republic
Date of Issue 21 June 2017
Primary theme Fine Arts (Museums and Art Galleries)
Subject The Moravian Museum in Brno
Width 44.0 mm
Height 26.0 mm
Denomination 20 CZK
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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