The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus 1982
Сега показвам: Шри Ланка - Пощенски разноски марки - 1982 - The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - 1 марки.
1982
The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus
21. Септември воден знак: Никой Пробиване: 12 x 12½
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