The 6th International Congress of Tropical Medicine 1958
Sýni: Makaó - Venjuleg frímerki - 1958 - The 6th International Congress of Tropical Medicine - 1 frímerki.
Sýni: Makaó - Venjuleg frímerki - 1958 - The 6th International Congress of Tropical Medicine - 1 frímerki.
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