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.

Stamps issued with GR012.15

  1. Gr012.15-80
    Wns Number
    GR012.15
    Country / Post
    Greece
    Date of Issue
    March 30, 2015
    Subject
    The Railways in Greece
  2. Gr013.15-80
    Wns Number
    GR013.15
    Country / Post
    Greece
    Date of Issue
    March 30, 2015
    Subject
    The Railways in Greece
  3. Gr014.15-80
    Wns Number
    GR014.15
    Country / Post
    Greece
    Date of Issue
    March 30, 2015
    Subject
    The Railways in Greece
  4. Gr015.15-80
    Wns Number
    GR015.15
    Country / Post
    Greece
    Date of Issue
    March 30, 2015
    Subject
    The Railways in Greece