An amateur archaeologist with a metal detector has discovered hidden treasure outside London. David Phillips, an amateur archaeologist, hit gold recently - or at least silver - when his metal detector located a Roman grave dating from 140 CE. A small dig is being planned on the site, whose location is being kept secret. The grave contained a treasure trove of pottery, bronze, glass and jewelry, including a pair of beautiful silver brooches. The area also included post holes from what is believed to be a late Iron Age hall or Roman barn.