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 SM029.14

  1. Sm029.14-80
    Wns Number
    SM029.14
    Country / Post
    San Marino
    Date of Issue
    October 22, 2014
    Subject
    450th Anniversary of the Birth of Galileo Galilei
  2. Sm030.14-80
    Wns Number
    SM030.14
    Country / Post
    San Marino
    Date of Issue
    October 22, 2014
    Subject
    450th Anniversary of the Birth of Galileo Galilei