Constantine II AE Follis, 3.63 gr, 20.93 mm. Trier. 325-326 AD.  

Obv: CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust left.  
Rev: PROVIDEN-TIAE CAESS, campgate, six layers, two turrets, star 
above. 

Mintmark STR crescent.

RIC VII Trier 463, rated R4, extremely rare.

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