現在展示： 科欽 - 公務郵票 (1930 - 1939) - 11 郵票.
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", 類型 AS]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AS-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", 類型 AU]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AU-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", 類型 AV]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AV-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", 類型 AX]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AX-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", 類型 AX1]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AX1-s.jpg)
| 號碼 | 類型 | 面值 | 顏色 | 描述 |
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| 50 | AX | 4P | 綠色 | perf: 11 | - | 25.32 | 1.85 | - | USD |
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| 50A* | AX1 | 4P | 綠色 | perf: 13 x 13½ | - | 26.37 | 2.64 | - | USD |
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| 51 | AY | 6P | 棕紅色 | perf: 11 | - | 21.10 | 0.79 | - | USD |
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| 51A* | AY1 | 6P | 棕紅色 | perf: 13 x 13½ | - | 7.91 | 2.64 | - | USD |
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| 52 | AZ | 1A | 棕橙色 | - | 369 | 4.22 | - | USD |
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| 53 | BA | 2A | 灰黑色 | - | 15.82 | 1.05 | - | USD |
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| 50‑53 | 套 (* Stamp not included in this set) | - | 431 | 7.91 | - | USD |
