Münzen Römische Kaiserzeit. Coins Roman empire, Gaius Caligula and Germanicus, 37-38, denarius (3, 62 g), Rome. Av: head Caligulars to the right, therefore \"C CAESAR AVG barm P M TR POT\". Rev: head of the Germanicus to the right, circumscribed. RIC 18, BMC 15, scratch, s-ss.