Viser nu Kanal Zone - Strafporto frimærker (1920 - 1929) - 13 frimærker.
1. juli VM: Ingen Perforeringer: 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 | Farve | Beskrivelse |
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| 11 | D | 1C | Karmin rød | "A" with flat top | - | 83,45 | 26,08 | - | USD |
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| 11A* | D1 | 1C | Karmin rød | - | 8,34 | 2,61 | - | USD |
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| 12 | D2 | 2C | Brunlig karmin | "A" with flat top | - | 52,16 | 8,34 | - | USD |
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| 12A* | D3 | 2C | Brunlig karmin | - | 12,52 | 4,17 | - | USD |
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| 13 | D4 | 10C | Brunlig karmin | "A" with flat top | - | 208 | 52,16 | - | USD |
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| 13A* | D5 | 10C | Brunlig karmin | - | 156 | 15,65 | - | USD |
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| 11‑13 | Sæt (* Mærke ikke inkluderet i dette sæt) | - | 344 | 86,58 | - | USD |
februar VM: Ingen Perforeringer: 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 Perforeringer: 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)
