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 Mexico in 2011

The 2011 issuing programme is not available.
  1. Mx041.11-80
    Wns Number
    MX041.11
    Country / Post
    Mexico
    Date of Issue
    October 14, 2011
    Subject
    Pan American Games Guadalajara 2011
  2. Mx042.11-80
    Wns Number
    MX042.11
    Country / Post
    Mexico
    Date of Issue
    October 17, 2011
    Subject
    50th Anniversary of the Cinvestav
  3. Mx043.11-80
    Wns Number
    MX043.11
    Country / Post
    Mexico
    Date of Issue
    October 18, 2011
    Subject
    Health and Safety in Mexico
  4. Mx044.11-80
    Wns Number
    MX044.11
    Country / Post
    Mexico
    Date of Issue
    October 18, 2011
    Subject
    Health and Safety in Mexico
  5. Mx045.11-80
    Wns Number
    MX045.11
    Country / Post
    Mexico
    Date of Issue
    October 18, 2011
    Subject
    Health and Safety in Mexico
  6. Mx046.11-80
    Wns Number
    MX046.11
    Country / Post
    Mexico
    Date of Issue
    October 18, 2011
    Subject
    Health and Safety in Mexico
  7. Mx047.11-80
    Wns Number
    MX047.11
    Country / Post
    Mexico
    Date of Issue
    October 18, 2011
    Subject
    Health and Safety in Mexico
  8. Mx048.11-80
    Wns Number
    MX048.11
    Country / Post
    Mexico
    Date of Issue
    October 18, 2011
    Subject
    Health and Safety in Mexico
  9. Mx049.11-80
    Wns Number
    MX049.11
    Country / Post
    Mexico
    Date of Issue
    October 25, 2011
    Subject
    Mexican Traditions - Day of the Dead
  10. Mx050.11-80
    Wns Number
    MX050.11
    Country / Post
    Mexico
    Date of Issue
    October 27, 2011
    Subject
    25th Anniversary of the ISSSTE in Bangalore