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 RO010.12

  1. Ro007.12-80
    Wns Number
    RO007.12
    Country / Post
    Romania
    Date of Issue
    January 19, 2012
    Subject
    Flora of Romania - Alpine Forget-me-not
  2. Ro008.12-80
    Wns Number
    RO008.12
    Country / Post
    Romania
    Date of Issue
    January 19, 2012
    Subject
    Flora of Romania - Love-lies-bleeding
  3. Ro009.12-80
    Wns Number
    RO009.12
    Country / Post
    Romania
    Date of Issue
    January 19, 2012
    Subject
    Flora of Romania - Starflower
  4. Ro010.12-80
    Wns Number
    RO010.12
    Country / Post
    Romania
    Date of Issue
    January 19, 2012
    Subject
    Flora of Romania - Silverweed