Praegu kuvatakse: Kotšin - Ametlikud margid (1920 - 1929) - 4 margid.
1923
Raja Rama Varma I - Overprinted "ON C G S" - Surcharged
WM: mitte ükski
![[Raja Rama Varma I - Overprinted "ON C G S" - Surcharged, Tüüp V]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/V-s.jpg)
![[Raja Rama Varma I - Overprinted "ON C G S" - Surcharged, Tüüp W]](https://www.stampworld.com/media/catalogue/Cochin/Official-stamps/W-s.jpg)
1925 -1929
Raja Rama Varma II - Overprinted "ON C G S" - Surcharged
aprill WM: mitte ükski perforatsioon: 14
