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 IN010.11

  1. In009.11-80
    Wns Number
    IN009.11
    Country / Post
    India
    Date of Issue
    February 12, 2011
    Subject
    Indipex 2011 - 100 Years of Airmail
  2. In010.11-80
    Wns Number
    IN010.11
    Country / Post
    India
    Date of Issue
    February 12, 2011
    Subject
    Indipex 2011 - 100 Years of Airmail
  3. In011.11-80
    Wns Number
    IN011.11
    Country / Post
    India
    Date of Issue
    February 12, 2011
    Subject
    Indipex 2011 - 100 Years of Airmail
  4. In012.11-80
    Wns Number
    IN012.11
    Country / Post
    India
    Date of Issue
    February 12, 2011
    Subject
    Indipex 2011 - 100 Years of Airmail