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Victrix have some.https://www.victrixlimited.com/collections/ancients/products/warriors-of-carthage
The best way to decide if a model is an African or an Indian elephant is to look at the ear size - African elephants have the larger rounded ears. African elephants also tend to be a little larger then the Indian elephant. If you a stickler for historical accuracy you may be hard pressed to find both varieties.
My understanding is that the 'African' elephants available in the ancient world were a sub-species call bush elephants, they were of a similar size or smaller to Indian elephants but less effective (training etc). They were found north of the Sahara. The true 'African' elephants we see today in places like Kenya were not available to the Cathaginian/Successor armies due to distance and perhaps as yet undiscovered.