Laos
Now showing: Laos - Postage stamps (1951 - 2023) - 1 stamps.
1973
The 100th Anniversary of Identification of Leprosy Bacillus by Hansen
28. June WM: None Perforation: 13
![[The 100th Anniversary of Identification of Leprosy Bacillus by Hansen, type MZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Laos/Postage-stamps/MZ-s.jpg)
![[The 100th Anniversary of Identification of Leprosy Bacillus by Hansen, type MZ1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Laos/Postage-stamps/MZ1-s.jpg)
