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 Dominican Republic in 2004

The 2004 issuing programme is not available.
  1. Do001.04-80
    Wns Number
    DO001.04
    Country / Post
    Dominican Republic
    Date of Issue
    January 19, 2004
    Subject
    UPAEP - Flora and Fauna - Aristelliger lar
  2. Do002.04-80
    Wns Number
    DO002.04
    Country / Post
    Dominican Republic
    Date of Issue
    January 19, 2004
    Subject
    UPAEP - Flora and Fauna - Corpernicia berteroana Becc.