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 NI002.15

  1. Ni001.15-80
    Wns Number
    NI001.15
    Country / Post
    Nicaragua
    Date of Issue
    October 01, 2015
    Subject
    1st October - International Day of Older Persons
  2. Ni002.15-80
    Wns Number
    NI002.15
    Country / Post
    Nicaragua
    Date of Issue
    October 01, 2015
    Subject
    1st October - International Day of Older Persons
  3. Ni003.15-80
    Wns Number
    NI003.15
    Country / Post
    Nicaragua
    Date of Issue
    October 01, 2015
    Subject
    1st October - International Day of Older Persons
  4. Ni004.15-80
    Wns Number
    NI004.15
    Country / Post
    Nicaragua
    Date of Issue
    October 01, 2015
    Subject
    1st October - International Day of Older Persons
  5. Ni005.15-80
    Wns Number
    NI005.15
    Country / Post
    Nicaragua
    Date of Issue
    October 01, 2015
    Subject
    1st October - International Day of Older Persons
  6. Ni006.15-80
    Wns Number
    NI006.15
    Country / Post
    Nicaragua
    Date of Issue
    October 01, 2015
    Subject
    1st October - International Day of Older Persons