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 HR013.02

  1. Hr013.02-80
    Wns Number
    HR013.02
    Country / Post
    Croatia
    Date of Issue
    May 09, 2002
    Subject
    EUROPA Circuses
  2. Hr014.02-80
    Wns Number
    HR014.02
    Country / Post
    Croatia
    Date of Issue
    May 09, 2002
    Subject
    EUROPA Circuses