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postage
1965, Dec 22 50th Anniversary of the Death of Ruben Dario issue unwmk (no perf info)
| - | 15p | gray & blvio | Ruben Dario |
1976, Apr 1 1976 issue
| - | 15p | brnred | General Jose de San Martin |
1976, Aug 14 Argentine Nobel Prize winners
| - | 15p | multi | Luis Leloir |
1976, Nov 20 Air Force Day 1976 issue
| - | 15p | multi |
1977, Aug 10
| - | 15p | ultra | Admiral Guillermo Brown |
airmail
1965, Oct 16 1965 air issue
| - | 15p | redpur & viobl |
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