Imagine finding out that an ordinary-looking rock you’ve been using as a stepping stone is actually an ancient relic worth more than $20,000. A southern-English woman discovered a marble slab in her garden years ago. At the time, she thought it was just an ordinary garden rock. So, for more than 10 years, she used it in her stable as a stepping stool to mount her horse. But eventually, layers of dirt and moss wore away to reveal delicate inscriptions underneath. The script was in Roman. According to a report by CNET, after the woman noticed laurel wreaths and text carved into the rock, she consulted a local archeologist, who dated the marble slab all the way back to the 2nd Century. The origins of the piece likely trace back to Greece or Asia Minor (modern-day Turkey). The inscription was translated and reads, “The people [and] the young men [honor] …