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 CH045.05

  1. Ch044.05-80
    Wns Number
    CH044.05
    Country / Post
    Switzerland
    Date of Issue
    November 22, 2005
    Subject
    Christmas Customs - Santa Claus (St Nicholas) in Fribourg
  2. Ch045.05-80
    Wns Number
    CH045.05
    Country / Post
    Switzerland
    Date of Issue
    November 22, 2005
    Subject
    Christmas Customs - Grittibänz