5) The heads depict historic individuals and heroes of Ife, spiritual home of the Yoruba
6) 16 of the heads including the Obalufon mask are life size
7) All 3 of the crowned heads are 3/4 of life size
8) Fact 7 above disproves the theory that the heads were cast in death from the actual heads of a dead king/dead kings. Exemplary sculpting skill was used to craft the naturalistic features of the heads.
Very informative