Exceptional Pair of Twins, ere ibeji, Ajasse Igbomina. Yoruba Tribe, Nigeria (female with rare medicinal application). Vetted as authentic by a committee of tribal art experts, purchase includes complete dossier and certificate of authenticity. In our years, we have yet to see a pair of ibeji in which one or both of the twins has a medicinal application applied to its surface. This and more ethnographic art for sale on CuratorsEye.com.