ER1813 is the name of the cranium from which the shapes of this model are taken. Found in the Koobi Fora site (Kenia), it belongs to the Homo Habilis’ species. It is estimated to be between 2.3 and 1.6 million years old, with a cranial capacity of approximately 510cc (our species, Homo Sapiens, has an average of 1300cc).