United Nations Decade of Ocean Sciences for Sustainable Development 2021
Now showing: Portugal - Postage stamps - 2021 - United Nations Decade of Ocean Sciences for Sustainable Development - 2 stamps.
2021
United Nations Decade of Ocean Sciences for Sustainable Development
26. August WM: None Sheetsize: 25 Design: Joao Machado Engraving: Cartor Security Printing. Perforation: 12¼ x 12
![[United Nations Decade of Ocean Sciences for Sustainable Development, type EYP]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/EYP-s.jpg)
![[United Nations Decade of Ocean Sciences for Sustainable Development, type EYQ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/EYQ-s.jpg)
