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 KR010.10

  1. Kr009.10-80
    Wns Number
    KR009.10
    Country / Post
    Korea Republic
    Date of Issue
    April 01, 2010
    Subject
    Centennial of Seoul National University of Technology and Jinju National University
  2. Kr010.10-80
    Wns Number
    KR010.10
    Country / Post
    Korea Republic
    Date of Issue
    April 01, 2010
    Subject
    Centennial of Seoul National University of Technology and Jinju National University