Stamps of United States - Canal Zone, no base month defined
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postage
1905 ovpted on stamp of Panama (no wmk info) (no perf info)
| - | 8c | on (id 33312) (140) | — | — |
1909 1909a issue ovpted on stamps of Panama unwmk p. 12
| 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 | — | — |
1911 ovpted on stamp of Panama (no wmk info) (no perf info)
| - | 10c | on 13c (0) |
1914 ovpted on stamp of Panama
| - | 10c | gray | on 10c-gray-unissued (0) |
1915 1915 issue ovpted on stamps of Panama unwmk p. 12
| - | 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 |
1927 ovpted on stamp of United States rotary press print p. 11x10.5
| - | 1c | grn | ovpt, Franklin | — | — |
1927 ovpted on stamp of United States rotary press print
| - | 2c | car | ovpt, George Washington | — | — |
1927 ovpted on stamp of United States rotary press print
| X | 3c | vio | ovpt, Lincoln | — | — |
1927 ovpted on stamp of United States rotary press print
| - | 5c | dkbl | ovpt, Theodore Roosevelt | — | — |
1927 ovpted on stamp of United States rotary press print
| - | 10c | org | ovpt, James Monroe |
1928 1928 issue (no wmk info) (no perf info) (10 stamps)
| X | 1c | grn | William Gorgas | .20 | ||
| X | 2c | car | George Goethals | .20 | ||
| X | 5c | bl | Gaillard Cut (1929) | |||
| X | 10c | org | Hodges | .20 | ||
| - | 12c | brnvio | Gaillard | |||
| X | 14c | bl | Sibert | |||
| X | 15c | grayblk | Smith | |||
| X | 20c | dkbrn | Harry Rousseau | .20 | ||
| X | 30c | Williamson | ||||
| X | 50c | lil | Blackburn |
1933 1933 issue ovpted on stamps of United States unwmk p. 11x10.5
| X | 3c | dpvio | ovpt, George Washington | .20 | ||
| - | 14c | bl | ovpt, American Indian | — | — |
1939 1939 issue ovpted on stamps of United States
| - | 1/2c | org | ovpt, Benjamin Franklin | — | — | |
| X | 1 1/2c | brn | ovpt, Martha Washington | — | — |
1946 1946 issue (no wmk info) (no perf info) (5 stamps)
| - | 1/2c | Davis | .20 | |||
| X | 1 1/2c | Magoon | .20 | |||
| - | 2c | Theodore Roosevelt | .20 | .20 | ||
| - | 5c | Stevens | ||||
| - | 25c | Wallace | — | — |
1977 p. 11x10.5
| - | 5c | bl | John F. Stevens | — | — |
postage due
1925 ovpted on stamps of United States unwmk p. 11
| X | 1c | carrose | ovpt, numeral in diamond | — | — | |
| X | 2c | carrose | ovpt, numeral in diamond | — | — |
1925 ovpted (no wmk info) (no perf info)
| X | 10c | on issue=1928-5c (0) | — | — |
1932 postage due 1932 issue zone seal unwmk p. 11 (5 stamps)
| X | 1c | cl | zone seal | — | — | |
| X | 2c | cl | zone seal | — | — | |
| X | 5c | cl | zone seal | — | — | |
| X | 10c | cl | zone seal | — | — | |
| X | 15c | cl | zone seal (1941) | — | — |
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