ROMAN EMPIRE. Flavius Valerius Constantinus or Constantine I, the "Great" (307-337 CE), billon Follis, 3.64g, obverse; IMP CONSTANTINVS AVG, laureate cuirassed bust right, reverse; SOLI INVICTO COMITI, Sol standing left, holding globe in left hand, right hand raised, S-F in field, mintmark PLN (London) in exergue, S-16050, VF+, reverse a little weak.