Näytetään: Travancore - Viralliset merkit (1911 - 1947) - 8 postimerkit.
1931
Shell - Overprinted "ON S S"
VM: Ei mitään Perforaatio: 12
![[Shell - Overprinted "ON S S", tyyppi T]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/T-s.jpg)
![[Shell - Overprinted "ON S S", tyyppi U]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/U-s.jpg)
![[Shell - Overprinted "ON S S", tyyppi V]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/V-s.jpg)
![[Shell - Overprinted "ON S S", tyyppi W]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/W-s.jpg)
![[Shell - Overprinted "ON S S", tyyppi X]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/X-s.jpg)
![[Shell - Overprinted "ON S S", tyyppi Z]](https://www.stampworld.com/media/catalogue/Travancore/Official-stamps/Z-s.jpg)
| No. | Tyyppi | D | Väri | Kuvaus |
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| 13 | T | 6Ca | punertavanruskea | - | 0,52 | 0,52 | - | USD |
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| 14 | U | 10Ca | karmiini | - | 3,13 | 2,09 | - | USD |
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| 15 | V | ¾Ch | musta | - | 0,52 | 0,52 | - | USD |
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| 16 | W | 1¼Ch | ruskeahko purppura | - | 0,78 | 0,52 | - | USD |
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| 17 | X | 4Ch | tumma vihreä | - | 1,04 | 0,52 | - | USD |
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| 17a* | Y | 4Ch | tumma vihreä | yr.1934 | - | 3,13 | 5,74 | - | USD |
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| 18 | Z | 7Ch | lilac red | - | 2,09 | 0,52 | - | USD |
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| 19 | AA | 14Ch | oranssi | - | 3,13 | 1,04 | - | USD |
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| 13‑19 | Kokoelma (* Postimerkki ei mukana tässä sarjassa) | - | 11,21 | 5,73 | - | USD |
