Viser nu UNESCO - Post frimærker (1961 - 2019) - 1 frimærker.
2018
We Are The Biosphere
7. september VM: Ingen Design: Del Hambre Gravering: Photogravure Perforeringer: 13
![[We Are The Biosphere, type BM]](https://www.stampworld.com/media/catalogue/UNESCO/Postage-stamps/BM-s.jpg)
