Stamps of United States - Canal Zone, 12 perf
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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 |
1909 1909a issue ovpted on stamps of Panama
| X | 2c | red & blk | ovpt, Fernandez de Cordoba | — | — | |
| - | 5c | bl & blk | ovpt, Justo Arosemena | — | — | |
| X | 8c | pur & blk | ovpt, Manuel J. Hurtado | — | — | |
| - | 10c | vio & blk | ovpt, Obaldia | — | — |
1909 1909b issue ovpted on stamps of Panama
| - | 1c | dkgrn & blk | ovpt, Vasco Núñez de Balboa | |||
| - | 2c | red & blk | ovpt, Fernandez de Cordoba | — | — | |
| - | 5c | bl & blk | ovpt, Justo Arosemena | — | — | |
| - | 10c | vio & blk | ovpt, Obaldia | — | — |
1915 1915 issue ovpted on stamps of Panama
| - | 1c | dkgrn & blk | ovpt, map of canal | |||
| - | 2c | car & blk | ovpt, Balboa taking possession | |||
| - | 5c | bl & blk | ovpt, Gatun Locks | |||
| X | 10c | org & blk | ovpt, Culebra Cut |
1924, Jan 28 ovpted on stamp of Panama
| - | 1c | grn | ovpt, Vallarino | — | — |
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