Constantine II AE Follis. 

Obv: CONSTANTI-NVS IVN N C, laureate, cuirassed bust right 
Rev: GLOR-IA EXERC-ITVS, two soldiers holding spears and shields with two 
 standards between them, horned bulls' heads on banners (instead of the usual 
 dot or circle). Laurel wreath at top centre, (dot) in centre. 
Mintmark: SCONST. 

RIC VII Arles 371, rated R1. 

Note: The Legio VIII Augusta, whose emblem was a bull, was stationed in 
 Strasbourg, France at this time - not all that far from Arles.

Contributed by Dane for George Clegg (biggyg2), October 2007