Crispus AE Follis, 3.74 gr, 18.80 mm. Trier. 325-326 AD.

Obv: FL IVL CRISPVS NOB CAES, laureate, draped and cuirassed bust left.  
Rev: PROVIDEN-TIAE CAESS, campgate, six layers, two turrets, star 
above.
mintmark STR crescent.  

RIC VII Trier 462, rated R4, very rare.

Courtesy of TimeLine Originals (www.time-lines.co.uk), March, 2011