The 100th Anniversary of the Discovery of Tubercle Bacillus by Robert Koch 1982
Now showing: Sao Tome And Principe - Postage stamps - 1982 - The 100th Anniversary of the Discovery of Tubercle Bacillus by Robert Koch - 1 stamps.
1982
The 100th Anniversary of the Discovery of Tubercle Bacillus by Robert Koch
31. July WM: None Perforation: 12½ x 13