World For years, experts said a Roman emperor wasn’t real. Scientists say a coin could prove otherwise. November 26, 2022November 26, 2022Saleen Martin, USA TODAYComments Off on For years, experts said a Roman emperor wasn’t real. Scientists say a coin could prove otherwise. Researchers believe Emperor Sponsian may have been a military commander in the Roman province of Dacia, which overlapped with modern-day Romania.