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semipostal
1960, Dec 3 TEMEX issue - flowers (1960 Argentina) unwmk p. 13.5
| - | 3+3p | orgbrn | Chorisia speciosa |
1961, Apr 15 Day of the Americas 1961 issue (no perf info)
| - | 3+3p | orgbrn |
1961, Oct 21 International Philatelic Exposition 1962 issue
| - | 3+3p | grn | ||||
| - | 3+3p | viobl | imperf | — | — |
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