现在展示： 特拉万科尔 - 公务邮票 (1930 - 1939) - 8 邮票.
1931
Shell - Overprinted "ON S S"
窗口管理器: 空缺 筛孔: 12
![[Shell - Overprinted "ON S S", 类型 T]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/T-s.jpg)
![[Shell - Overprinted "ON S S", 类型 U]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/U-s.jpg)
![[Shell - Overprinted "ON S S", 类型 V]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/V-s.jpg)
![[Shell - Overprinted "ON S S", 类型 W]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/W-s.jpg)
![[Shell - Overprinted "ON S S", 类型 X]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/X-s.jpg)
![[Shell - Overprinted "ON S S", 类型 Z]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/Z-s.jpg)
| 号码 | 类型 | 面值 | 颜色 | 描述 |
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| 13 | T | 6Ca | 棕红色 | - | 0.52 | 0.52 | - | USD |
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| 14 | U | 10Ca | 深红色的 | - | 3.15 | 2.10 | - | USD |
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| 15 | V | ¾Ch | 黑色 | - | 0.52 | 0.52 | - | USD |
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| 16 | W | 1¼Ch | 棕紫色 | - | 0.79 | 0.52 | - | USD |
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| 17 | X | 4Ch | 深绿色 | - | 1.05 | 0.52 | - | USD |
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| 17a* | Y | 4Ch | 深绿色 | yr.1934 | - | 3.15 | 5.77 | - | USD |
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| 18 | Z | 7Ch | lilac red | - | 2.10 | 0.52 | - | USD |
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| 19 | AA | 14Ch | 橙色 | - | 3.15 | 1.05 | - | USD |
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| 13‑19 | 套 (* Stamp not included in this set) | - | 11.28 | 5.75 | - | USD |
