A new analysis of several Roman coins unearthed in 1713—long thought to be forgeries—suggests that they are authentic, providing evidence that the leader portrayed on one of the coins was indeed in power during the 260s CE. Paul Pearson of University College London, U.K., and colleagues present these findings in PLOS ONE. For much of ancient Roman history, Roman mints produced coins featuring portraits of current emperors. In 1713, a group of such coins was allegedly discovered in Transylva