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.

EC027.16

Country / Post Ecuador
Date of Issue 11 November 2016
Primary theme Flora (Flowers - General)
Subject Azuay Native Flora - Hippeastrum sp.
Width 38.0 mm
Height 28.0 mm
Denomination 1.00 USD
Number in set 5 (show set)
Layout/Format sheet of 100 of 5 designs
Perforations 14 by 14
Stamp issuing authority Correos del Ecuador CDE EP
Printer Instituto Geográfico Militar