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.

LV018.13

Country / Post Latvia
Date of Issue 12 July 2013
Primary theme Post & Philately (Stamps on stamps)
Subject 150th Anniversary of First Stamp issue
Width 37.0 mm
Height 30.0 mm
Denomination 1.00 LVL
Number in set 1
Layout/Format sheet
Perforations 13.5 by 13.5
Stamp issuing authority Latvia Post
Printer
Connect to the web shop of the issuing stamp authority