Three 1,700-year-old burial inscriptions in Aramaic and Greek have been uncovered in the northern Israeli community of Tzipori. Two belong to Rabbis, whose names have yet to be deciphered.

http://www.jewishpress.com/news/breaking-news/17000-year-old-gravestones-of-unknown-rabbis-uncovered-in-northern-israel/2016/01/27/0/