Postcard illustrated on back (Watusi hut) surcharged "15" on 10c. + additional postage of 15c., sent from "UMBURA" to Argentina on 7/AP/1926, rare destination! (Image)

Postcard illustrated on back (Netta battle ship) overprinted "15" on 5c. + additional postage of 10c., sent from "PINGA" to Argentina on 1/JUL/1927, with transit marks of KABALE and MBARARA (both of Uganda), rare destination! (Image)

Postal card illustrated on back (bridge) overprinted "15" on 5c. + additional postage of 25c., sent from "PINGA" to Argentina on 1/JUL/1927, with transit mark of KABALE (Uganda), rare destination! (Image)