I discovered that Elephant's Head Casino was the Venda Sun Casino.
The Casino is placed on the chipguide with an unknown location. I will proceed to the due update. In the picture with a display with chips and plaques from the commemorative edition of the tenth anniversary in July 1993. The casino was situated in Thohoyandou. Thohoyandou is the proud heart of the VhaVenda people; the name means “ Elephant’s Head” in tshiVenda.
Nowadays the name of the casino is Khoroni Hotel Casino Convention Resort.