RIC VII, ARLES 286, CONSTANTINE I, MINTMARK VARIETY [IRREGULAR COIN]
OBVERSE
CONSTAN-TINVSAVG [CONSTANTINVS AVG]; head r., laur.
REVERSE
PROVIDEN-TIAEAVGG [PROVIDENTIAE AVGG]; gateway with two turrets, star above, no doors, varying number of stone layers. SA[pellet in crescent]RL in exergue.
NOT IN RIC
MINTMARK VARIETY. Coin similar to ARLES 286 except for dot in crescent in m.m. instead of crescent only. It could be an unlisted issue, an engraver's error or an ancient imitation.