Τώρα εμφανίζεται Ζώνη της Διώρυγας - Γραμματόσημα (1950 - 1959) - 17 Γραμματόσημα.
16. Ιούλιος WM: Κανένα Διάτρηση: 11
![[Airmail, τύπος BK]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK-s.jpg)
![[Airmail, τύπος BK1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK1-s.jpg)
![[Airmail, τύπος BK2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK2-s.jpg)
![[Airmail, τύπος BK3]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK3-s.jpg)
![[Airmail, τύπος BK5]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK5-s.jpg)
![[Airmail, τύπος BK6]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK6-s.jpg)
![[Airmail, τύπος BK7]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK7-s.jpg)
![[Airmail, τύπος BK8]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK8-s.jpg)
![[Airmail, τύπος BK9]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK9-s.jpg)
![[Airmail, τύπος BK10]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK10-s.jpg)
![[Airmail, τύπος BK11]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BK11-s.jpg)
| Νούμερο | Τύπος | D | Χρώμα | Περιγραφή |
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| 129 | BK | 4C | ΚΟΚΚΙΝΩΠΟ ΒΙΟΛΕΤΙ | 0,55 | - | 0,28 | - | USD |
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| 130 | BK1 | 5C | ΠΡΑΣΙΝΟ | 0,83 | - | 0,28 | - | USD |
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| 131 | BK2 | 6C | ΚΑΦΕ | 0,28 | - | 0,28 | - | USD |
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| 132 | BK3 | 7C | ΛΑΔΙ ΕΛΙΑΣ | 0,83 | - | 0,28 | - | USD |
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| 133 | BK4 | 8C | ΚΟΚΚΙΝΟ | 0,28 | - | 0,28 | - | USD |
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| 134 | BK5 | 10C | ΚΟΚΚΙΝΩΠΟ ΠΟΡΤΟΚΑΛΙ | 0,83 | - | 0,28 | - | USD |
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| 135 | BK6 | 15C | ΚΑΦΕΤΙ ΜΩΒ | 3,32 | - | 2,21 | - | USD |
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| 136 | BK7 | 21C | ΜΠΛΕ | 6,64 | - | 3,32 | - | USD |
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| 137 | BK8 | 25C | ΚΙΤΡΙΝΟ | 8,86 | - | 2,21 | - | USD |
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| 138 | BK9 | 31C | ΚΟΚΚΙΝΟ | 6,64 | - | 3,32 | - | USD |
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| 139 | BK10 | 35C | ΜΠΛΕ | 5,54 | - | 2,21 | - | USD |
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| 140 | BK11 | 80C | ΜΑΥΡΟ ΓΚΡΙ | 4,43 | - | 1,11 | - | USD |
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| 129‑140 | 39,03 | - | 16,06 | - | USD |
15. Αύγουστος WM: Κανένα Διάτρηση: 11
![[Contribution of West Indies Workers in the Construction of Panama Canal, τύπος BL]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BL-s.jpg)
28. Ιανουάριος WM: Κανένα Διάτρηση: 11
![[The 100th Anniversary of the Panama Railways, τύπος BM]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BM-s.jpg)
17. Νοέμβριος WM: Κανένα Διάτρηση: 11
![[The 75th Anniversary of Gorgas Hospital, τύπος BN]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BN-s.jpg)
30. Αύγουστος WM: Κανένα Διάτρηση: 11
![[Cargo Ship, τύπος BO]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BO-s.jpg)
15. Νοέμβριος WM: Κανένα Διάτρηση: 11
![[The 100th Anniversary of the Birth of Theodore Roosevelt, τύπος BP]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BP-s.jpg)
