Constantius I as Caesar. AR argenteus, Rome. AD 295-297. 19mm, 2.66 g.

CONSTANTIVS CAES, laureate head right.
VIRTVS MILITVM, the four tetrarchs sacrificing over
a tripod altar before an enclosure with six turrets.

Mintmark Gamma.
RIC VI Rome 42a; RSC 314. 

With permission of Nomos AG, June 2015.