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.

All registered stamps issued by Hong Kong (PRC) in 2010

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  1. Hk021.10-80
    Wns Number
    HK021.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    July 15, 2010
    Subject
    Biodiversity - Sinopora hongkongensis
  2. Hk022.10-80
    Wns Number
    HK022.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    July 15, 2010
    Subject
    Biodiversity - Fukienogomphus choifongae
  3. Hk023.10-80
    Wns Number
    HK023.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  4. Hk024.10-80
    Wns Number
    HK024.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  5. Hk025.10-80
    Wns Number
    HK025.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  6. Hk026.10-80
    Wns Number
    HK026.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  7. Hk027.10-80
    Wns Number
    HK027.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  8. Hk028.10-80
    Wns Number
    HK028.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  9. Hk029.10-80
    Wns Number
    HK029.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    September 28, 2010
    Subject
    Centenary of Railway Service in Hong Kong
  10. Hk030.10-80
    Wns Number
    HK030.10
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    October 21, 2010
    Subject
    Children Stamps - Hong Kong in My Eyes

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