Scientific Achievements of the 20th Century 2001
Now showing: Gabon - Postage stamps - 2001 - Scientific Achievements of the 20th Century - 3 stamps.
2001
Scientific Achievements of the 20th Century
27. July WM: None Engraving: Courvoisier. S.A. Perforation: 11¾
![[Scientific Achievements of the 20th Century, type BBT]](https://www.stampworld.com/media/catalogue/Gabon/Postage-stamps/BBT-s.jpg)
![[Scientific Achievements of the 20th Century, type BBU]](https://www.stampworld.com/media/catalogue/Gabon/Postage-stamps/BBU-s.jpg)
![[Scientific Achievements of the 20th Century, type BBV]](https://www.stampworld.com/media/catalogue/Gabon/Postage-stamps/BBV-s.jpg)