Niger
Montre maintenant: Niger - Timbres-Poste (1959 - 2023) - 1 Timbres-poste.
1973
The 100th Anniversary of Dr. Hansen's Discovery of Leprosy Bacillus
29. mars WM: Aucun Perforation: 12½ x 13
![[The 100th Anniversary of Dr. Hansen's Discovery of Leprosy Bacillus, type MK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Niger/Postage-stamps/MK-s.jpg)