Postmarks - ARG
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PM ARG 1987 Sept. 26th Buenos Aires - Panamerican Games
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PM ARG 1998 Aug. 10th Buenos Aires - 50th anniversary of OG London with pictograms of medal wins by ARG (error: ARG did not win a medal at the Olympic rowing regatta 1948)
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PM ARG 2003 July 23rd Buenos Aires - 50th anniversary of M2X gold medal win for Capozzo & Guerrero at OG Helsinki 1952
