Stamps of United States - Canal Zone, 1c denom
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postage
1924, Jul 1 1924 issue ovpted on stamp of United States flat plate print unwmk p. 11
| X | 1c | dpgrn | ovpt, Franklin |
1927 ovpted on stamp of United States rotary press print p. 11x10.5
| - | 1c | grn | ovpt, Franklin | — | — |
1928 1928 issue (no wmk info) (no perf info)
| X | 1c | grn | William Gorgas | .20 |
1939, Aug 15 Panama Canal 25th issue
| - | 1c | Balboa before |
1975, Feb 14 p. 10v
| - | 1c | grn | Gorgas | — | — |
postage due
1925 ovpted on stamp of United States unwmk p. 11
| X | 1c | carrose | ovpt, numeral in diamond | — | — |
1932 postage due 1932 issue
| X | 1c | cl | zone seal | — | — |
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