The 21st Anniversary of the International Physiological Science Congress - Medical Scientists 1959
Zobrazujú sa: Argentína - Poštové známky - 1959 - The 21st Anniversary of the International Physiological Science Congress - Medical Scientists - 3 známky.
1959
The 21st Anniversary of the International Physiological Science Congress - Medical Scientists
8. august WM: 9 Perforácia: 13½
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