SoSt1

UNESCO - HUMID TROPICS SYMPOSIUM
Goroka
15.09.1960 - 22.09.1960

Papua Neuguinea Sonderstempel Nr.1 UNESCO Humid tropic symposium Goroka

known registration numbers:

8772 to 8786 from 15.09.1960

8813 from 19.09.1960

8845 from 22.09.1960

 

 

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