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 CR011.08

  1. Cr010.08-80
    Wns Number
    CR010.08
    Country / Post
    Costa Rica
    Date of Issue
    June 16, 2008
    Subject
    Whales and Dolphins - Megaptera novaengliae
  2. Cr011.08-80
    Wns Number
    CR011.08
    Country / Post
    Costa Rica
    Date of Issue
    June 16, 2008
    Subject
    Whales and Dolphins - Sotalia guianensis
  3. Cr012.08-80
    Wns Number
    CR012.08
    Country / Post
    Costa Rica
    Date of Issue
    June 16, 2008
    Subject
    Whales and Dolphins - Stenella attenuata
  4. Cr013.08-80
    Wns Number
    CR013.08
    Country / Post
    Costa Rica
    Date of Issue
    June 16, 2008
    Subject
    Whales and Dolphins - Megaptera novaengliae