Muri Bhalissa: Kamerun - Bolol tal-posta (1930 - 1939) - 4 bolol.
1931
"Colonial Exhibition" Key-types Inscribed "CAMEROUN"
13. April WM: Xejn Perforazzjoni: 12½ x 12¼
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", Tip J]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/J-s.jpg)
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", Tip K]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/K-s.jpg)
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", Tip L]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/L-s.jpg)
![["Colonial Exhibition" Key-types Inscribed "CAMEROUN", Tip M]](https://www.stampworld.com/media/catalogue/Cameroon/Postage-stamps/M-s.jpg)
