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.

All registered stamps issued in 2017 with theme "Orchids"

  1. My020.17-80
    Wns Number
    MY020.17
    Country / Post
    Malaysia
    Date of Issue
    February 21, 2017
    Subject
    National Definitive Series - Orchids
  2. Mt002.17-80
    Wns Number
    MT002.17
    Country / Post
    Malta
    Date of Issue
    February 24, 2017
    Subject
    Maltese Flora - Series IV - Orchis collina
  3. Mt003.17-80
    Wns Number
    MT003.17
    Country / Post
    Malta
    Date of Issue
    February 24, 2017
    Subject
    Maltese Flora - Series IV - Ophrys lutea
  4. At023.17-80
    Wns Number
    AT023.17
    Country / Post
    Austria
    Date of Issue
    March 04, 2017
    Subject
    Loyalty bonus stamp 2016 - Yellow lady's slipper (Cypripedium calceolus)
  5. Lu002.17-80
    Wns Number
    LU002.17
    Country / Post
    Luxembourg
    Date of Issue
    March 07, 2017
    Subject
    Personalities 2017 - Jean Jules Linden - 200th Anniversary of his Birth
  6. Ec034.17-80
    Wns Number
    EC034.17
    Country / Post
    Ecuador
    Date of Issue
    November 27, 2017
    Subject
    Tourist places - America UPAEP 2017 - Carchi - Orchid (Caucaea nubigena)