Constantine I. AE Follis. 330-335 AD. Trier.

CONSTANTI-NVS MAX AVG, rosette-diademed, draped, cuirassed bust 
right
GLOR-IA EXERC-ITVS, two soldiers holding spears and shields with 
two standards with thin shafts and pointed tops between them. 

Mintmark: TRS dot. 

RIC VII Trier 525, rated Scarce.