Constantius II. AE follis, Rome. 324-325.

FL VAL CONSTANTIVS NOB C, laureate, draped, cuirassed bust right.
PROVIDEN-TIAE CAESS, campgate, eight layers, two turrets, star
above, no doors, dot in doorway, two dots above the doorway.
Mintmark RQ.

RIC VII Rome 268. 

Very rare (R3).

With permission of TimeLine Auctions (www.timelineauctions.com), December, 2013