The coffins are said to be 2,500 years old CAIRO: Egyptian Egyptologist Zahi Hawass has announced the discovery of a coffin-filled crypt 14 meters underground at the foot of the stepped Saqqara pyramid. “It contains a treasure trove of antiquities that will amaze the world,” he said. “Seventy percent of Egypt’s antiquities are still underground.” The coffins are said to be 2,500 years old.