It's possible the "mud wrap" was used to stabilize the mummy after it was damaged, but the mud may have also been meant to emulate practices used by society's elite, who were sometimes mummified with imported resin-based materials during a nearly 350-year period, from the late New Kingdom to the 21st Dynasty (about 1294 BCE to 945 BCE), the researchers said... The mud sheath isn't the mummy's only oddity. The mummy, dated to about 1207 BCE, was damaged after death, and was even interred in the wrong coffin actually meant for a woman who died more recently, the researchers found......