Constantine II, AE follis. Trier. 321 AD. 

CONSTANTINVS IVN NOB C, laureate, mantled bust left, 
holding Victory on globe and mappa.
BEATA TRAN-QVILLITAS, globe on altar inscribed VOT-IS-XX, 
three stars above
Mintmark PTR. 

RIC VII 312
Rated R4.

Courtesy of TimeLine Auctions (www.timelineauctions.com), Feb, 2013