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 NG006.11

  1. Ng006.11-80
    Wns Number
    NG006.11
    Country / Post
    Nigeria
    Date of Issue
    September 29, 2011
    Subject
    Federal Inland Revenue Service (FIRS) - For national development
  2. Ng007.11-80
    Wns Number
    NG007.11
    Country / Post
    Nigeria
    Date of Issue
    September 29, 2011
    Subject
    Federal Inland Revenue Service (FIRS) - For Infrastructural Facilities and Social Amenities
  3. Ng008.11-80
    Wns Number
    NG008.11
    Country / Post
    Nigeria
    Date of Issue
    September 29, 2011
    Subject
    Federal Inland Revenue Service (FIRS) - Be Patriotic