The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus 1982
Now showing: Djibouti - Postage stamps - 1982 - The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - 1 stamps.
1982
The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus
24. March WM: None Perforation: 13