Now showing: Travancore - Official stamps (1911 - 1947) - 8 stamps.
1931
Shell - Overprinted "ON S S"
WM: None Perforation: 12
![[Shell - Overprinted "ON S S", type T]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/T-s.jpg)
![[Shell - Overprinted "ON S S", type U]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/U-s.jpg)
![[Shell - Overprinted "ON S S", type V]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/V-s.jpg)
![[Shell - Overprinted "ON S S", type W]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/W-s.jpg)
![[Shell - Overprinted "ON S S", type X]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/X-s.jpg)
![[Shell - Overprinted "ON S S", type Z]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/Z-s.jpg)
| No. | Type | D | Color | Description |
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| 13 | T | 6Ca | reddish brown | - | 0.58 | 0.58 | - | USD |
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| 14 | U | 10Ca | carmine | - | 3.50 | 2.33 | - | USD |
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| 15 | V | ¾Ch | black | - | 0.58 | 0.58 | - | USD |
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| 16 | W | 1¼Ch | brownish purple | - | 0.87 | 0.58 | - | USD |
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| 17 | X | 4Ch | dark green | - | 1.17 | 0.58 | - | USD |
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| 17a* | Y | 4Ch | dark green | yr.1934 | - | 3.50 | 6.41 | - | USD |
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| 18 | Z | 7Ch | lilac red | - | 2.33 | 0.58 | - | USD |
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| 19 | AA | 14Ch | orange | - | 3.50 | 1.17 | - | USD |
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| 13‑19 | Set (* Stamp not included in this set) | - | 12.53 | 6.40 | - | USD |
