Dylan Herbert uncovered a stone with a drawing of a phallus and an insult - with it expected to amuse visitors for many years to come...Earlier this year, a Roman Altar from the 3rd century AD was uncovered, thought to be from a similar time period to the most recent discovery. Though this one is quite a lot ruder!Not only was there a drawing, but the 40 x 15cm stone is also engraved with SECVNDINVS CACOR, making the graffiti a very personal insult. Specialists in Roman epigraphy, Drs Alexander Meyer, Alex Mullen and Roger Tomlin, recognised it as a mangled...