It was the summer of 2012, and she was ambling along the beach with her dog near her home in southern England when she saw it — a plank the size of a chopping board inscribed with the word ...

"The Ten Commandments: The earliest surviving inscribed tablet of the Ten Commandments, incised during the late Roman-Byzantine era, The Holy Land, (ca. 300–800 CE)," Sotheby's wrote in a ...