dated properly no lart than 350 ash ad. >> after that the oldest inscription ever found. part of the verse from the nativity story of luke about simeon the old man who held the baby jesus. >> you have seen the inscription. in fact you discovered them. how do you know they are authentic. >> good question. we are living in an age of forgeries. the inscription which were there almost 30 feet in the air. it's impossible to forge something like that today. >> a forger would want to forge something he can sell and you cannot sell something this big. >> there's no way again it has been up there for the last almost 1700 years, and it will always be there. like absalom's tomb christianity survived a variety of assaults. these days it's a best selling book that has many people angry and upset.