Have you ever noticed that there is a unique feature of the necklaces worn by kings and queens of Ile-Ife, as seen in their sculptural depictions, that are also worn by the kings of Swaziland? It is a pair of tags which, in the pictures below, are indicated using arrows.
King Mswati III of Swaziland (image modified from Newstime Africa)
King Mswati III of Swaziland (image modified from New York Times)
Statue of a previous Ooni of Ife (image modified from raceandhistory.com)
It would be interesting to know if they have the same significance in both cultures. Perhaps this is evidence of the emigration of different peoples of the world from Ile-Ife.