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 BG009.15

  1. Bg008.15-80
    Wns Number
    BG008.15
    Country / Post
    Bulgaria
    Date of Issue
    April 20, 2015
    Subject
    EUROPA 2015 - Old toys
  2. Bg009.15-80
    Wns Number
    BG009.15
    Country / Post
    Bulgaria
    Date of Issue
    April 20, 2015
    Subject
    EUROPA 2015 - Old toys