Constantine I, AE Follis, 307 AD. Trier. 

Obv: FL VAL CONSTANTINVS NOB C, laureate, draped, cuirassed bust right
Rev: GENIO-POP ROM, Genius standing left, tower on head, 
loins draped, holding patera and cornucopiae. 

S-C across fields, PTR in ex. 

RIC VI Trier 703b. Scarce. 

With permission of Roma Numismatics, October, 2009