1990
The 14th Congress of the American-Spanish Postal Union – Buenos Aires


[The 14th Congress of the American-Spanish Postal Union - Buenos Aires, type BOQ]


[The 14th Congress of the American-Spanish Postal Union - Buenos Aires, type BOR]


[The 14th Congress of the American-Spanish Postal Union - Buenos Aires, type BOS]


[The 14th Congress of the American-Spanish Postal Union - Buenos Aires, type BOT]

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