343 AD., Constans, Treveri mint, Follis, RIC 117.

Constans, Treveri mint, 52th issue, 1st officina, 343 AD.,
Follis / Æ4 (14-15 mm / 1.38 g),
Obv.: CONSTAN - S P F AVG , rosette-diademed, draped, and cuirassed bust right.
Rev.: GLORI-A EXER-CITVS / TR P (in exergue) , two soldiers, facing one another, holding reversed spears and resting hands on shields, between them a standard inscribed "C".
RIC VIII, 145, Trier 117 ; P. N. Schulten, Die Römische Münzstätte Trier, page 31 .