The 100th Anniversary of Identification of Leprosy Bacillus by Hansen 1973
Wordt nu getoond: Laos - Postzegels - 1973 - The 100th Anniversary of Identification of Leprosy Bacillus by Hansen - 2 postzegels.
Wordt nu getoond: Laos - Postzegels - 1973 - The 100th Anniversary of Identification of Leprosy Bacillus by Hansen - 2 postzegels.
![[The 100th Anniversary of Identification of Leprosy Bacillus by Hansen, type MZ]](https://www.stampworld.com/media/catalogue/Laos/Postage-stamps/MZ-s.jpg)
![[The 100th Anniversary of Identification of Leprosy Bacillus by Hansen, type MZ1]](https://www.stampworld.com/media/catalogue/Laos/Postage-stamps/MZ1-s.jpg)
