Viser nå: kanalsone - Portofrimerker (1920 - 1929) - 13 frimerker.
1. July VM: Ingen Perforering: 11
![[US Postage Due Stamps Overprinted, type D]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/D-s.jpg)
![[US Postage Due Stamps Overprinted, type D3]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/D3-s.jpg)
| Nr. | Type | D | farge | Beskrivelse |
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| 11 | D | 1C | karminrød | "A" with flat top | - | 82.58 | 25.80 | - | USD |
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| 11A* | D1 | 1C | karminrød | - | 8.26 | 2.58 | - | USD |
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| 12 | D2 | 2C | brun karmin | "A" with flat top | - | 51.61 | 8.26 | - | USD |
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| 12A* | D3 | 2C | brun karmin | - | 12.39 | 4.13 | - | USD |
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| 13 | D4 | 10C | brun karmin | "A" with flat top | - | 206 | 51.61 | - | USD |
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| 13A* | D5 | 10C | brun karmin | - | 154 | 15.48 | - | USD |
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| 11‑13 | Set (* Stamp not included in this set) | - | 340 | 85.67 | - | USD |
February VM: Ingen Perforering: 11
![[Panama Canal Zone Postage Stamps Overprinted "POSTAGE DUE", type E]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/E-s.jpg)
![[Panama Canal Zone Postage Stamps Overprinted "POSTAGE DUE", type E1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/E1-s.jpg)
![[Panama Canal Zone Postage Stamps Overprinted "POSTAGE DUE", type E2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/E2-s.jpg)
16. December VM: Ingen Perforering: 11
![[Panama Canal Zone Postage Stamp Surcharged, type F]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F-s.jpg)
![[Panama Canal Zone Postage Stamp Surcharged, type F1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F1-s.jpg)
![[Panama Canal Zone Postage Stamp Surcharged, type F2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F2-s.jpg)
![[Panama Canal Zone Postage Stamp Surcharged, type F3]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F3-s.jpg)
