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 HK008.10

  1. Hk008.10-80
    Wns Number
    HK008.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    April 27, 2010
    Subject
    Hong Kong's Participation in Expo 2010 Shanghai, China
  2. Hk009.10-80
    Wns Number
    HK009.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    April 27, 2010
    Subject
    Hong Kong's Participation in Expo 2010 Shanghai, China
  3. Hk010.10-80
    Wns Number
    HK010.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    April 27, 2010
    Subject
    Hong Kong's Participation in Expo 2010 Shanghai, China
  4. Hk011.10-80
    Wns Number
    HK011.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    April 27, 2010
    Subject
    Hong Kong's Participation in Expo 2010 Shanghai, China