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airmail
1953, Dec 8 1953 surcharges b issue unwmk (no perf info)
| - | 24c | ++on=2c |
1956, Oct 3 1956 air issue
| X | 24c | blk & grayvio | State President Julio Lozano Diaz |
1979, Sep 15 geography institute 50th issue
| - | 24c | — | — |
airmail official
1956, Oct 3 1956 air official issue
| X | 24c | blk & ltbl |
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