Constantine AE follis, Trier mint, 307 AD.
Obverse: FL VAL CONSTANTINVS NOB C, cuirassed laurate bust right.
Reverse: GENIO POP ROM, Genius standing facing, towered head left, loins
draped with himation, patera in right hand, cornucopiae in left; in fields
S - A, in exergue PTR.
RIC VI 719b.
Contributed by Yuri Kabanov, November, 2007.