The exergue is not clear, but it looks like dot STR (maybe it is dot STR dot or crescent with the last mark not evident), regardless RIC does not list a G12 bust for this series.
OBV: CRISPVSNOBCAES, laureate and cuirassed, shield on left arm, holding horse by bridle with left hand
REV: BEATATRAN- QVILLITAS
in ex. dot STR
