There are some white tanzanians.
The pictures are not too good to be true lol, it's a white blonde girl.
The price, however, is.
She's been a member on AW since November 2016 and only got 1 (completely unverifiable) feedback in that time.
There's a phone number so if you want, ring it. Personally i'm not in punting to chase down blind alleys but good luck, there's a 98% chance you'll need it.