Stamps of United States - Canal Zone, 24 base day
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postage
1904, Jun 24 ovpted on stamps of Panama unwmk p. 12
| - | 2c | rose | ovpt, map of Panama | |||
| - | 5c | bl | ovpt, map of Panama |
1904, Jun 24 ovpted on stamp of Panama (no wmk info) (no perf info)
| - | 10c | yel | on 10c-yel (0) |
airmail
1962, Sep 24 malaria eradication issue
| - | 7c | yel & blk | emblem & mosquito |
1971, Sep 24
| - | 11c | ol & blk | zone seal & jet plane | .20 |
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