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 Guatemala
Date of Issue 24 September 2012
Primary theme History (Archeology)
History (History of Peoples)
Science & Technology (Time measurement)
Subject B'aktun Mayan Calendar
Width 35.0 mm
Height 50.0 mm
Denomination 10.00 GTQ
Number in set 9 (show set)
Layout/Format booklet of 9 of 9 designs
Perforations 12.5 by 12.5
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