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 2018 with theme "Painting"

  1. Ro151.18-80
    Wns Number
    RO151.18
    Country / Post
    Romania
    Date of Issue
    September 04, 2018
    Subject
    Olympic Games in children's imagination - 'Young hopes' by Adumitroaie Ana Rocsana from 'Stefan Luchian' Arts High School in Botosani
  2. Ro152.18-80
    Wns Number
    RO152.18
    Country / Post
    Romania
    Date of Issue
    September 04, 2018
    Subject
    Olympic Games in children's imagination - 'Grace and Elegance' by Aveloiu Diana from 'Sports' High School in Targu Jiu
  3. By042.18-80
    Wns Number
    BY042.18
    Country / Post
    Belarus
    Date of Issue
    October 10, 2018
    Subject
    25th Anniversary of establishing diplomatic relations between the Republic of Belarus and the Republic of Armenia - Winter roses 1973
  4. By043.18-80
    Wns Number
    BY043.18
    Country / Post
    Belarus
    Date of Issue
    October 10, 2018
    Subject
    25th Anniversary of establishing diplomatic relations between the Republic of Belarus and the Republic of Armenia - Still life in a dark room 2013