Two Star of David engravings have been discovered in an ancient Temple in the southern Egyptian city of Aswan. The Roman Temple, which dates back to the 3rd century B.C, is located in the Elephantine Island in Aswan.

http://www.jpost.com/Middle-East/Star-of-David-found-engraved-into-an-ancient-Temple-arouses-bustle-in-Egypt-450074