Constantine I, AE follis. Lyons. AD 330-335. 

CONSTANTI-NVS MAX AVG, rosette-diademed, draped, cuirassed bust right.
GLOR-IA EXERC-ITVS, two soldiers holding spears and 
shields with two standards between them. (Note the rev. legend break).
Mintmark: star PLG.
RIC VII Lyons 261.

Very rare with this rev. break.

Contributed by Richard Demarco of CarpeDiemNvmismatics, Aug. 2016.