Now showing: UNESCO - Postage stamps (2010 - 2019) - 1 stamps.
7. září WM: Žádný Design: Del Hambre Engraving: Photogravure Perforation: 13
![[We Are The Biosphere, type BM]](https://www.stampworld.com/media/catalogue/UNESCO/Postage-stamps/BM-s.jpg)
Now showing: UNESCO - Postage stamps (2010 - 2019) - 1 stamps.
7. září WM: Žádný Design: Del Hambre Engraving: Photogravure Perforation: 13
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