Ivory Coast - Prehistoric African Mammoth - 1,000 Francs CFA - 2010 - Proof Silver Crown - Embedded Tooth - Bone remains which have been found prove that mammoths existed about four million years ago in Africa. The African Mammoth (Mammuthus africanavus) is among the oldest known species. From Africa they migrated to Eurasia and North America and adapted themselves to the cold climate. When one thinks of Mammoths, the Woolly Mammoth is the first to come to mind. They became extinct about ten thousand years ago...Click here for additional details.