Griekenland
Wordt nu getoond: Griekenland - Postzegels (1861 - 2024) - 1 postzegels.
1980
Astronomy - The Heliocentric Theory of Aristarchus of Samos
5. mei WM: Geen Perforatie: 13¾ x 12¼
![[Astronomy - The Heliocentric Theory of Aristarchus of Samos, type AJX]](https://www.stampworld.com/media/catalogue/Greece/Postage-stamps/AJX-s.jpg)
![[Astronomy - The Heliocentric Theory of Aristarchus of Samos, type AJY]](https://www.stampworld.com/media/catalogue/Greece/Postage-stamps/AJY-s.jpg)
