Viser nu Cameroun - Post frimærker (1930 - 1939) - 4 frimærker.
1931
"Colonial Exhibition" Key-types Inscribed "CAMEROUN"
13. april VM: Ingen Perforeringer: 12½ x 12¼
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", type J]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/J-s.jpg)
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", type K]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/K-s.jpg)
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", type L]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/L-s.jpg)
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", type M]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/M-s.jpg)
