Roman Imperial Coins Trajan - Commodus  Claudius_II_Gothicus Diocletianus-Maximianus Constantius I Helena Theodora  Galerius  Maximinus II Daza Licinius I Licinius II Constantine_I Fausta Constantinopolis Commemorative URBS ROMA Commemorative CRISPUS. DIVS CONSTANTINUS CONSTANTINUS_II CONSTANTIUS_II CONSTANS Magnentius Iulianus II Christian symbols on the roman coins of Constantine family time