The 100th Anniversary of World Meteorological Organization 1973
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1973
The 100th Anniversary of World Meteorological Organization
23. maart WM: Geen Perforatie: 12½ x 12
![[The 100th Anniversary of World Meteorological Organization, type ID]](https://www.stampworld.com/media/catalogue/South-Vietnam/Postage-stamps/ID-s.jpg)
