The ad says it's they think it's a Hermann's tortoise. Looks like a Russian to me. Looks like it has an overgrown beak too. I saw this ad last night, but there was no contact info, now there's a phone number.
http://austin.craigslist.org/grd/3691798642.html
http://austin.craigslist.org/grd/3691798642.html