Scientific Achievements of the 20th Century 2000
Now showing: Gabon - Postage stamps - 2000 - Scientific Achievements of the 20th Century - 3 stamps.
2000
Scientific Achievements of the 20th Century
28. November WM: None Engraving: Courvoisier. S.A. Perforation: 11¾
![[Scientific Achievements of the 20th Century, type AWB]](https://www.stampworld.com/media/catalogue/Gabon/Postage-stamps/AWB-s.jpg)
![[Scientific Achievements of the 20th Century, type AWC]](https://www.stampworld.com/media/catalogue/Gabon/Postage-stamps/AWC-s.jpg)
![[Scientific Achievements of the 20th Century, type AWD]](https://www.stampworld.com/media/catalogue/Gabon/Postage-stamps/AWD-s.jpg)