現在展示： 運河區 - 欠資郵票 (1920 - 1929) - 13 郵票.
1. July 窗口管理器: 空缺 篩孔: 11
![[US Postage Due Stamps Overprinted, 類型 D]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/D-s.jpg)
![[US Postage Due Stamps Overprinted, 類型 D3]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/D3-s.jpg)
| 號碼 | 類型 | 面值 | 顏色 | 描述 |
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| 11 | D | 1C | 胭脂紅 | "A" with flat top | - | 93.60 | 29.25 | - | USD |
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| 11A* | D1 | 1C | 胭脂紅 | - | 9.36 | 2.92 | - | USD |
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| 12 | D2 | 2C | 棕紅色 | "A" with flat top | - | 58.50 | 9.36 | - | USD |
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| 12A* | D3 | 2C | 棕紅色 | - | 14.04 | 4.68 | - | USD |
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| 13 | D4 | 10C | 棕紅色 | "A" with flat top | - | 234 | 58.50 | - | USD |
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| 13A* | D5 | 10C | 棕紅色 | - | 175 | 17.55 | - | USD |
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| 11‑13 | 套 (* Stamp not included in this set) | - | 386 | 97.11 | - | USD |
February 窗口管理器: 空缺 篩孔: 11
![[Panama Canal Zone Postage Stamps Overprinted "POSTAGE DUE", 類型 E]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/E-s.jpg)
![[Panama Canal Zone Postage Stamps Overprinted "POSTAGE DUE", 類型 E1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/E1-s.jpg)
![[Panama Canal Zone Postage Stamps Overprinted "POSTAGE DUE", 類型 E2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/E2-s.jpg)
16. December 窗口管理器: 空缺 篩孔: 11
![[Panama Canal Zone Postage Stamp Surcharged, 類型 F]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F-s.jpg)
![[Panama Canal Zone Postage Stamp Surcharged, 類型 F1]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F1-s.jpg)
![[Panama Canal Zone Postage Stamp Surcharged, 類型 F2]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F2-s.jpg)
![[Panama Canal Zone Postage Stamp Surcharged, 類型 F3]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-due-stamps/F3-s.jpg)
