Prieplavová zóna
1920-1929Zobrazujú sa: Prieplavová zóna - Doplatné známky (1914 - 1919) - 11 známky.
marec WM: 1 Perforácia: 12
![[US Postage Due Stamps Overprinted "CANAL ZONE", typ A]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/A-s.jpg)
![[US Postage Due Stamps Overprinted "CANAL ZONE", typ A1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/A1-s.jpg)
![[US Postage Due Stamps Overprinted "CANAL ZONE", typ A2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/A2-s.jpg)
marec WM: nikto Perforácia: 12
![[Panama Postage Due Stamps Overprinted "CANAL/ZONE", typ B]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/B-s.jpg)
![[Panama Postage Due Stamps Overprinted "CANAL/ZONE", typ B1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/B1-s.jpg)
![[Panama Postage Due Stamps Overprinted "CANAL/ZONE", typ B2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/B2-s.jpg)
november WM: nikto Perforácia: 12
![[Panama Postage Due Stams Surcharged, typ C]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/C-s.jpg)
![[Panama Postage Due Stams Surcharged, typ C1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/C1-s.jpg)
![[Panama Postage Due Stams Surcharged, typ C2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/C2-s.jpg)
![[Panama Postage Due Stams Surcharged, typ C3]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/C3-s.jpg)
![[Panama Postage Due Stams Surcharged, typ C4]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/C4-s.jpg)
| Číslo | Typ | D | Farba | Popis |
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| 7 | C | 1/1C | olivovo hnedá | - | 144 | 28,87 | - | USD |
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| 8 | C1 | 2/2C | olivovo hnedá | Red surcharge | - | 28,87 | 6,93 | - | USD |
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| 8a* | C2 | 2/2C | olivovo hnedá | Carmine surcharge | - | 34,65 | 13,86 | - | USD |
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| 9 | C3 | 4/4C | olivovo hnedá | - | 34,65 | 17,32 | - | USD |
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| 10 | C4 | 10/10C | olivovo hnedá | - | 28,87 | 5,77 | - | USD |
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| 7‑10 | sada (* Stamp not included in this set) | - | 236 | 58,89 | - | USD |
