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airmail
1950, Feb 17 Tourism 1950 issue unwmk (no perf info)
| - | 13c | multi |
1964, Jun 25 1964 air habilitada issue ovpted (no wmk info)
| - | 13c | on 3c (62) |
1964, Sep 9 100th Anniversary of Red Cross issue unwmk
| - | 13c | multi |
1965, Jun 18 Mayo 1965 issue
| - | 13c | multi |
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