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.

US003.19

Country / Post United States of America
Date of Issue 27 January 2019
Primary theme Flora (Trees)
Subject Joshua Tree
Width 40.0 mm
Height 32.0 mm
Denomination 7.35 USD
Number in set 2 (show set)
Layout/Format self adhesive sheet of 4
Perforations 11 by 11
Stamp issuing authority United States Postal Service
Printer