Canal zone
| 01. | Canal zone (Panama 1887-1903 stamps overprint) | 1904 - 1979 | Pic |
| 02. | Canal zone (Panama 1887-1903 stamps overprint in Panama Republic) | 1904 - 1979 | Pic |
| 03. | Canal zone (Panama Republic stamps overprint) | 1904 - 1979 | Pic |
| 04. | Canal zone (USA stamps overprint) | 1904 - 1979 | Pic |
| 05. | Canal zone | 1904 - 1979 | Pic |
Last update: 2004.01.02
