The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Wild Life from East Africa. Hippopotamus. PACA. 1971
East African Game. Hippopotamus. East Africa. Frank. RP
Southern Africa. Hippopotamus. Art Publishers. B. K. Bjornsen
South Africa. Hippopotamus Amphibius. Art Publishers
Southern Africa. Hippopotamus. Art. R. Johnneson
East Africa. African Wildlife. Hippopotamuses. Elite Group. 1976
4310. Largest Animal and Highest Mountain in East Africa. Taws. 1969. Mexichrome
