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 Japan in 2004

The 2004 issuing programme is not available.
  1. Jp001.04-80
    Wns Number
    JP001.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Super Jetter 1
  2. Jp002.04-80
    Wns Number
    JP002.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Super Jetter 2
  3. Jp003.04-80
    Wns Number
    JP003.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Super Jetter 3
  4. Jp004.04-80
    Wns Number
    JP004.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Super Jetter 4
  5. Jp005.04-80
    Wns Number
    JP005.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Wadokei (Japanese Clock)
  6. Jp006.04-80
    Wns Number
    JP006.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Otomo-go
  7. Jp007.04-80
    Wns Number
    JP007.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - KAZ
  8. Jp008.04-80
    Wns Number
    JP008.04
    Country / Post
    Japan
    Date of Issue
    January 23, 2004
    Subject
    Science & Technology and Heroes and Heroines of Animation, Series 2 - Stratospheric Balloon platform
  9. Jp009.04-80
    Wns Number
    JP009.04
    Country / Post
    Japan
    Date of Issue
    February 05, 2004
    Subject
    Hokkaido Heritage II
  10. Jp010.04-80
    Wns Number
    JP010.04
    Country / Post
    Japan
    Date of Issue
    February 05, 2004
    Subject
    Hokkaido Heritage II