I say "kitten" because he's about six months old. The photos were taken when he was about four months old I think.
His foster mum is bringing him here tomorrow morning (morning here at the moment - I'm in NZ) for us to see him. He was rescued along with his mum and six siblings after they were dumped. 
I haven't seen him in "person" yet but I think he's gorgeous! I love black cats! She said he's an absolute delight and "mad". I love the "mad" bit because a crazy kitty running around might cheer us up a bit. We're heartbroken at the moment because one of our other cats died in sad circumstances.
We have three at the moment - Muffin, Romeo and Tybalt. I got Tybalt from the same small cat rescue group. He is also black, but fluffy and small. He labours under the delusion that he's a proper cat. He's not. 
No idea what I'm going to call this darling. He'll probably be known as "kitty" until we can think of something.
I don't know how big he will grow. I hope he grows to be very big, because I once had two huge black cats that I rescued when they were grown and semi-feral and they were the most wonderful cats. Not that it really matters!