ROMAN EMPIRE. Flavius Valerius Constantinus or Constantine I, the "Great" (307-337 CE), billon Follis, 2.92g, obverse; IMP CONSTANTINVS AVG, laureate cuirassed bust right, reverse; SOLI INVICTO COMITI, Sol standing left, holding globe in left hand, right hand raised, T-F in field, mintmark TR (Trier) in exergue, preceded by officina mark A, S-16063, EF.