Is There Such a Thing as Ancient Sign Language?

This is a possible depiction of a visually impaired person with a guide dog, but we're not sure. There certainly wasn't a universal sign language taught to all deaf people. People who lost their ability to hear or speak later in life could make good use of wax tablets and they could probably work out a fair bit of lip reading as well. How great would that be? Like you get to the kebab and look out and say it's all me, no elephant in there, and you go actually make it make a elephant. And then he can't say anything. You go and they can walk with an elephant, you get your favourite, your guess, and not be a ghost