Praegu kuvatakse: Kotšin - Ametlikud margid (1930 - 1939) - 11 margid.
1938
Maharaja Rama Varma XVII - Overprinted "ON C G S"
WM: mitte ükski
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", Tüüp AS]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AS-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", Tüüp AU]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AU-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", Tüüp AV]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AV-s.jpg)
1938
Maharaja Rama Varma XVII - Overprinted "ON C G S"
WM: mitte ükski
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", Tüüp AX]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AX-s.jpg)
![[Maharaja Rama Varma XVII - Overprinted "ON C G S", Tüüp AX1]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/AX1-s.jpg)
| Nr | Tüüp | D | Värv | Kirjeldus |
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| 50 | AX | 4P | roheline | perf: 11 | - | 24,61 | 1,79 | - | USD |
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| 50A* | AX1 | 4P | roheline | perf: 13 x 13½ | - | 25,64 | 2,56 | - | USD |
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| 51 | AY | 6P | punakaspruun | perf: 11 | - | 20,51 | 0,77 | - | USD |
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| 51A* | AY1 | 6P | punakaspruun | perf: 13 x 13½ | - | 7,69 | 2,56 | - | USD |
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| 52 | AZ | 1A | pruunikas oranž | - | 358 | 4,10 | - | USD |
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| 53 | BA | 2A | hallikas must | - | 15,38 | 1,03 | - | USD |
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| 50‑53 | sett (* Stamp not included in this set) | - | 419 | 7,69 | - | USD |
