Constantine III AR Siliqua. Arles mint. 

Obv: D N CONSTAN-TINVS P F AVG, pearl-diademed, draped & cuirassed bust right 
Rev: VICTORI-A AAVGGG, Roma seated left, holding Victory on globe in right 
 hand, reversed spear in left, SMAR in ex. 

Contributed by Mark Zema, November, 2006.