The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - Issue of 1980 Overprinted "Dr. R. KOCH CENTENARY TBC BACILLUS DISCOVERY" 1982
A mostrar agora: Guiana - Selos Postais - 1982 - The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - Issue of 1980 Overprinted "Dr. R. KOCH CENTENARY TBC BACILLUS DISCOVERY" - 1 selos.
![[The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - Issue of 1980 Overprinted "Dr. R. KOCH CENTENARY TBC BACILLUS DISCOVERY", type OS]](https://www.stampworld.com/media/catalogue/Guyana/Postage-stamps/OS-s.jpg)
