This very old Roman Denarius (made of Silver) of Caracalla, who was a famous roman emperor.Caracalla (198-201AD)DenariusObverse legend reads ANTONINUS PIVS AVG"Young laureate draped bust facing right.Reverse legends reads: "RECTOR ORBIS" Means Ruler, Mater of the East and the then known world.Caracalla standing facing left, and naked; holding globe and spear .RSC 542