The 50th Anniversary of the Discovery and Identification of "Schistosoma mansoni", Fluke 1959
Сега показвам: Бразилия - Пощенски разноски марки - 1959 - The 50th Anniversary of the Discovery and Identification of "Schistosoma mansoni", Fluke - 1 марки.
1959
The 50th Anniversary of the Discovery and Identification of "Schistosoma mansoni", Fluke
28. Декември воден знак: 16 Пробиване: 11¾
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